NPSM Elbows | McMaster-Carr

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101 Products

How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

About Conduit

Threaded Hose Fittings for Hydraulic Fluid

Fittings are threaded on both ends so you can connect them directly to a threaded hose or to pumps, cylinders, and other equipment in your hydraulic system.

Zinc-plated steel fittings are stronger and more durable than stainless steel fittings. They have fair corrosion resistance. 316 stainless steel fittings have excellent corrosion resistance.

Fittings that swivel until tightened rotate for easy installation.

NPTF (Dryseal) threads are compatible with NPT threads. NPSM (National Pipe Straight Mechanical) female threads are compatible with male NPT and NPTF threads.

For technical drawings and 3-D models, click on a part number.

90° Elbow Adapters (Swivels Until Tightened), NPSM Female Hose × NPT/NPTF Female Hose

Maximum Pressure: See table
Temperature Range:
Zinc-Plated Steel: Not Rated
316 Stainless Steel: -425° to 1200° F

Zinc-Plated Steel
Pipe Size	Dash Size	Max. Pressure		Each
3/4	12	2,000 psi @ 72° F	0000000	000000
1	16	2,000 psi @ 72° F	0000000	00000
316 Stainless Steel
1/4	04	5,000 psi @ 72° F	0000000	000000
3/8	06	4,000 psi @ 72° F	0000000	00000
1/2	08	3,500 psi @ 72° F	0000000	000000
3/4	12	2,000 psi @ 72° F	0000000	00000

90° Elbow Adapters (Swivels Until Tightened), NPSM Female Hose × NPT/NPTF Male Hose

Maximum Pressure: See table
Temperature Range: See table

Zinc-Plated Steel
Pipe Size	Dash Size	Max. Pressure	Temperature Range, °F		Each
1/8	02	5,000 psi @ 72° F	Not Rated	0000000	00000
1/4	04	4,000 psi @ 72° F	Not Rated	0000000	0000
3/8	06	3,000 psi @ 72° F	Not Rated	0000000	0000
1/2	08	2,000 psi @ 72° F	Not Rated	0000000	0000
3/4	12	2,000 psi @ 72° F	Not Rated	0000000	00000
1	16	2,000 psi @ 72° F	Not Rated	0000000	00000
1 1/4	20	1,000 psi @ 72° F	-20° to 230°	00000000	00000
1 1/2	24	1,000 psi @ 72° F	-20° to 230°	00000000	00000
2	32	1,000 psi @ 72° F	-20° to 230°	00000000	00000
316 Stainless Steel
1/8	02	5,000 psi @ 72° F	-425° to 1200°	0000000	00000
1/4	04	5,000 psi @ 72° F	-425° to 1200°	0000000	00000
3/8	06	4,000 psi @ 72° F	-425° to 1200°	0000000	00000
1/2	08	3,500 psi @ 72° F	-425° to 1200°	0000000	00000
3/4	12	2,000 psi @ 72° F	-425° to 1200°	0000000	000000
1	16	2,000 psi @ 72° F	-425° to 1200°	0000000	00000

90° Elbow Reducing Adapters (Swivels Until Tightened), NPSM Female Hose × NPTF Female Hose

Maximum Pressure: See table
Temperature Range: Not Rated

Pipe Size		Thread Type		Dash Size
(A)	(B)	(A)	(B)	(A)	(B)	Max. Pressure		Each
Zinc-Plated Steel
3/8	1/4	NPSM	NPTF	06	04	3,000 psi @ 72° F	0000000	000000

90° Elbow Reducing Adapters (Swivels Until Tightened), NPSM Female Hose × NPT/NPTF Male Hose

Maximum Pressure: See table
Temperature Range:
Zinc-Plated Steel: Not Rated
316 Stainless Steel: -425° to 1200° F

Pipe Size		Dash Size
(A)	(B)	(A)	(B)	Max. Pressure		Each
Zinc-Plated Steel
1/4	1/8	04	02	3,000 psi @ 72° F	000000	000000
1/4	3/8	04	06	3,000 psi @ 72° F	0000000	0000
3/8	1/4	06	04	3,000 psi @ 72° F	00000000	0000
3/8	1/2	06	08	2,000 psi @ 72° F	0000000	0000
1/2	3/8	08	06	2,000 psi @ 72° F	00000000	0000
1/2	3/4	08	12	2,000 psi @ 72° F	00000000	00000
3/4	1	12	16	2,000 psi @ 72° F	000000	00000
1	3/4	16	12	2,000 psi @ 72° F	0000000	00000
316 Stainless Steel
3/8	1/4	06	04	4,000 psi @ 72° F	0000000	00000
3/8	1/2	06	08	3,500 psi @ 72° F	0000000	00000

45° Elbow Adapters (Swivels Until Tightened), NPSM Female Hose × NPT/NPTF Male Hose

Maximum Pressure: See table
Temperature Range:
Zinc-Plated Steel: Not Rated
316 Stainless Steel: -425° to 1200° F

Zinc-Plated Steel
Pipe Size	Dash Size	Max. Pressure		Each
1/8	02	5,000 psi @ 72° F	0000000	00000
1/4	04	3,000 psi @ 72° F	000000	0000
3/8	06	3,000 psi @ 72° F	0000000	0000
1/2	08	2,000 psi @ 72° F	0000000	0000
3/4	12	2,000 psi @ 72° F	0000000	00000
1	16	2,000 psi @ 72° F	00000000	00000
316 Stainless Steel
1/4	04	5,000 psi @ 72° F	0000000	00000
3/8	06	4,000 psi @ 72° F	0000000	00000
1/2	08	3,500 psi @ 72° F	0000000	000000
3/4	12	2,000 psi @ 72° F	0000000	000000
1	16	2,000 psi @ 72° F	0000000	000000

45° Elbow Reducing Adapters (Swivels Until Tightened), NPSM Female Hose × NPTF Male Hose

Maximum Pressure: See table
Temperature Range: Not Rated

Pipe Size		Dash Size
(A)	(B)	(A)	(B)	Max. Pressure		Each
Zinc-Plated Steel
1/4	3/8	04	06	3,000 psi @ 72° F	0000000	00000
3/8	1/2	06	08	3,000 psi @ 72° F	0000000	00000
1/2	3/8	08	06	2,000 psi @ 72° F	00000000	0000
1/2	3/4	08	12	2,000 psi @ 72° F	00000000	0000

Connectors for Medium-Wall (IMC) and Thick-Wall (Rigid) Steel Conduit

Join pieces of medium-wall (IMC) and thick-wall (rigid) conduit.

NPSM female 90° elbow connectors with removable cover allow for quick access to pull wire and cable.

Offset elbow connectors join knockouts on outlet boxes or enclosures that do not align.

For technical drawings and 3-D models, click on a part number.

90° Elbow Connectors—Threaded Conduit Connection

With NPSM Threads and Removable Cover

Conduit Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	Material	Features	Specifications Met		Each
1/2	1/2	NPSM	Female	Zinc	Removable Cover	UL Listed, CSA Certified, ANSI/NEMA FB 1	0000000	000000
3/4	3/4	NPSM	Female	Zinc	Removable Cover	UL Listed, CSA Certified, ANSI/NEMA FB 1	0000000	00000
1	1	NPSM	Female	Zinc	Removable Cover	UL Listed, CSA Certified	0000000	00000
1 1/4	1 1/4	NPSM	Female	Zinc	Removable Cover	UL Listed, CSA Certified	0000000	00000

Offset Elbow Connectors—Threaded Conduit or Electrical Box Connection

Conduit or Electrical Box Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	Offset Lg.	Material	Specifications Met		Each
1/2	1/2	NPSM	Male	3/4"	Zinc	UL Listed, CSA Certified	0000000	00000
3/4	3/4	NPSM	Male	3/4"	Zinc	UL Listed, CSA Certified	0000000	0000
1	1	NPSM	Male	3/4"	Zinc	UL Listed, CSA Certified	0000000	0000
1 1/4	1 1/4	NPSM	Male	3/4"	Zinc	UL Listed, CSA Certified	0000000	0000
1 1/2	1 1/2	NPSM	Male	3/4"	Zinc	UL Listed, CSA Certified	0000000	0000
2	2	NPSM	Male	3/4"	Zinc	UL Listed, CSA Certified	0000000	00000

Adapters for Medium-Wall (IMC) and Thick-Wall (Rigid) Steel Conduit

Attach medium-wall (IMC) and thick-wall (rigid) steel conduit to a knockout in an outlet box or enclosure.

NPSM female × NPSM male 90° elbow adapters are for tight spaces where conduit can't be bent.

For technical drawings and 3-D models, click on a part number.

90° Elbow Adapters—Threaded Conduit Connection × Threaded Electrical Box Connection

Conduit Connection				Electrical Box Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	Pipe Size	Thread Type	Gender	Material	Specifications Met		Each
1/2	1/2	NPSM	Female	1/2	NPSM	Male	Iron	UL Listed	0000000	00000
3/4	3/4	NPSM	Female	3/4	NPSM	Male	Iron	UL Listed	0000000	0000
1	1	NPSM	Female	1	NPSM	Male	Iron	UL Listed, CSA Certified	0000000	00000
1 1/4	1 1/4	NPSM	Female	1 1/4	NPSM	Male	Iron	UL Listed, CSA Certified	0000000	00000
1 1/2	1 1/2	NPSM	Female	1 1/2	NPSM	Male	Iron	UL Listed, CSA Certified	0000000	000000
2	2	NPSM	Female	2	NPSM	Male	Iron	UL Listed, CSA Certified	0000000	000000

Adapters for Thin-Wall (EMT) Steel Conduit

Use these adapters to attach thin-wall (EMT) steel conduit to a knockout in an outlet box or enclosure. A compression end offers a more reliable hold on conduit than a screw-clamp end. It pushes onto the conduit; tighten the compression ring to secure. The screw-clamp end tightens around conduit with a screw.

For technical drawings and 3-D models, click on a part number.

90° Elbow Adapters—Zinc

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Includes	Specifications Met		Each
Compression Conduit Connection × Threaded Electrical Box Connection
1/2	Female	1/2	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	00000
3/4	Female	3/4	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000
1	Female	1	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000

Offset Elbow Adapters—Zinc

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Offset Lg.	Includes	Specifications Met		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
1/2	Female	1/2	NPSM	Male	3/8"	Locknut	UL Listed, CSA Certified	0000000	00000
3/4	Female	3/4	NPSM	Male	3/4"	Locknut	UL Listed, CSA Certified	0000000	0000
1	Female	1	NPSM	Male	1"	Locknut	UL Listed	0000000	00000

Access Ports for Metal Conduit

Also known as conduit bodies, these ports provide access to wire and cable inside conduit for pulling, splicing, and maintenance. They are also used to change the direction of a run. Connect to thick-wall (rigid) metal conduit. Aluminum and zinc-plated iron ports can connect to medium-wall (IMC) conduit. Ports with a set screw also connect to thin-wall (EMT) steel conduit without a compression connector.

All are corrosion resistant. 316 stainless steel ports offer the best corrosion resistance.

For technical drawings and 3-D models, click on a part number.

90° Elbow (LB)

Aluminum
Conduit Trade Size	Pipe Size	Thread Type	Gender	Features	Includes	Specifications Met		Each
1/2	1/2	NPSM	Female	Removable Cover with Rubber Gasket	__	UL Listed	0000000	00000
1/2	1/2	NPSM	Female	Removable Cover with Rubber Gasket	Set Screw	UL Listed, CSA Certified	0000000	0000
3/4	3/4	NPSM	Female	Removable Cover with Rubber Gasket	__	UL Listed	0000000	0000
3/4	3/4	NPSM	Female	Removable Cover with Rubber Gasket	Set Screw	UL Listed, CSA Certified	0000000	0000
1	1	NPSM	Female	Removable Cover with Rubber Gasket	__	UL Listed	0000000	0000
1	1	NPSM	Female	Removable Cover with Rubber Gasket	Set Screw	UL Listed, CSA Certified	0000000	00000
1 1/4	1 1/4	NPSM	Female	Removable Cover with Rubber Gasket	__	UL Listed	0000000	00000
1 1/4	1 1/4	NPSM	Female	Removable Cover with Rubber Gasket	Set Screw	UL Listed, CSA Certified	0000000	00000
1 1/2	1 1/2	NPSM	Female	Removable Cover with Rubber Gasket	__	UL Listed	0000000	00000
1 1/2	1 1/2	NPSM	Female	Removable Cover with Rubber Gasket	Set Screw	UL Listed, CSA Certified	0000000	00000
2	2	NPSM	Female	Removable Cover with Rubber Gasket	__	UL Listed	0000000	00000
2	2	NPSM	Female	Removable Cover with Rubber Gasket	Set Screw	UL Listed, CSA Certified	0000000	00000

Adapters for Flexible Metal Conduit

Attach flexible metal conduit to a knockout in an outlet box or enclosure. The screw-clamp end tightens around conduit with a screw. Iron adapters are stronger and more durable than zinc adapters. 316 stainless steel adapters are the most corrosion resistant.

For technical drawings and 3-D models, click on a part number.

90° Elbow Adapters—Zinc

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Specifications Met		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
3/8	Female	1/2	NPSM	Male	UL Listed, C-UL Listed	0000000	00000
1 1/2	Female	1 1/2	NPSM	Male	UL Listed, CSA Certified	0000000	00000
2	Female	2	NPSM	Male	UL Listed, CSA Certified	0000000	00000

90° Elbow Adapters—Iron

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender	Specifications Met		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
3/8	Female	1/2	NPSM	Male	UL Listed	0000000	00000
1/2	Female	1/2	NPSM	Male	UL Listed	0000000	0000
3/4	Female	3/4	NPSM	Male	UL Listed	0000000	0000
1	Female	1	NPSM	Male	UL Listed	0000000	00000
1 1/4	Female	1 1/4	NPSM	Male	UL Listed	0000000	00000
1 1/2	Female	1 1/2	NPSM	Male	UL Listed	0000000	00000
2	Female	2	NPSM	Male	UL Listed	0000000	00000

90° Elbow Adapters—316 Stainless Steel

Conduit Connection		Electrical Box Connection
Conduit Trade Size	Gender	Pipe Size	Thread Type	Gender		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
3/8	Female	1/2	NPSM	Male	0000000	000000
1/2	Female	1/2	NPSM	Male	0000000	00000
3/4	Female	3/4	NPSM	Male	0000000	00000
1	Female	1	NPSM	Male	0000000	00000
1 1/4	Female	1 1/4	NPSM	Male	0000000	00000

Adapters for Flexible Metal Conduit and Armored Cable

Attach flexible metal conduit and types AC and MC armored cable to a knockout in an outlet box or enclosure.

The screw-clamp end tightens around conduit with a screw.

For technical drawings and 3-D models, click on a part number.

90° Elbow Adapters—Zinc

Conduit Connection		For Armored Cable		Electrical Box Connection
Conduit Trade Size	Gender	OD	Type	Pipe Size	Thread Type	Gender	Includes	Specifications Met		Each
Screw-Clamp Conduit Connection × Threaded Electrical Box Connection
3/8	Female	0.45"-0.62"	MC	1/2	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	00000
1/2	Female	0.75"-0.87"	MC	1/2	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000
3/4	Female	0.87"-1"	MC	3/4	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	0000
1	Female	1.18"-1.31"	MC	1	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	00000
1 1/4	Female	1.5"-1.62"	MC	1 1/4	NPSM	Male	Locknut	UL Listed, CSA Certified	0000000	00000