NPT Pipe Caps | McMaster-Carr

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System of Measurement

Pipe Size

Fitting Type

Reducing Adapter

Material

Silicone Rubber

Stainless Steel

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

Pipe Material

Stainless Steel

Pipe Schedule

Fitting Connection

Spec Image

Flange Material

Stainless Steel

Gender

Pressure Class

Shape

For Use With

Acetic Acid (White Vinegar)

Acetic Acid (White Vinegar) (5% Concentration)

Acetic Acid (White Vinegar) (10% Concentration)

Calcium Chloride

Length

Connects To

Body Shape

Maximum Pressure @ Temperature

35 psi @ 72° F

50 psi @ 72° F

60 psi @ 72° F

70 psi @ 72° F

90 psi @ 72° F

100 psi @ 72° F

110 psi @ 72° F

120 psi @ 72° F

125 psi @ 72° F

130 psi @ 72° F

140 psi @ 72° F

150 psi @ 72° F

165 psi @ 72° F

175 psi @ 72° F

185 psi @ 72° F

Drive Style

External 12-Point

External Octagon

External Square

For Flange Class

ID

0.116" to 0.182"

0.24" to 0.295"

0.325" to 0.367"

0.361" to 0.418"

0.419" to 0.485"

29/64" to 31/64"

0.471" to 0.536"

0.55" to 0.631"

0.58" to 0.667"

0.64" to 0.727"

OD

0.111" to 0.177"

0.235" to 0.302"

0.298" to 0.365"

0.356" to 0.422"

0.468" to 0.545"

0.613" to 0.693"

0.687" to 0.785"

0.74" to 0.849"

Maximum Steam Pressure @ Temperature

600 psi @ 220° F

1,500 psi @ 300° F

4,400 psi @ 300° F

4,600 psi @ 300° F

5,200 psi @ 300° F

5,300 psi @ 300° F

6,400 psi @ 300° F

6,600 psi @ 300° F

7,000 psi @ 300° F

7,200 psi @ 300° F

7,300 psi @ 300° F

7,500 psi @ 300° F

7,600 psi @ 300° F

7,700 psi @ 300° F

8,000 psi @ 300° F

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

How can we improve?

1,101 Products

Fluid Handling

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

Building and Machinery Hardware

Protective Caps

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)