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.
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About Hose
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Lubrication Hose Fittings
Use these two-piece fittings in grease and lubrication lines. They screw directly onto plastic hose without the need for a separate adapter. To install, separate the two pieces of the fitting (the hose-end portion and the nipple portion). Screw the hose-end portion of the fitting onto the hose, then thread the nipple portion of the fitting into the hose-end portion. When assembled, the fitting compresses against the hose, forming a strong seal. Also known as reusable fittings, they can be unscrewed from the hose end and used on a new hose. Fittings are zinc-plated steel, which is strong and durable with fair corrosion resistance.
Fittings with intermittent swivel rotate 360° until tightened for easy installation.
Fittings with a 37° flared end are also known as JIC (Joint Industrial Council) fittings.
NPTF (Dryseal) threads are compatible with NPT threads.
For technical drawings and 3-D models, click on a part number.
- Maximum Pressure: 3,000 psi @ 72° F
- Temperature Range: -40° to 120° F
- For Hose Manufacturer Series: Parker HLB
- Specifications Met: SAE J514
Lubrication Hose
- Temperature Range: -40° to 212° F
- Maximum Vacuum: 28" of Hg @ 72° F
- Material: Polyester Plastic with Polyurethane Cover
- Color: Black
- Compatible Hose Fittings: Parker Series BU
Hose has good oil-resistance, so it won’t deteriorate or become brittle when exposed to grease and lubricants. Hose has a smooth interior for unrestricted flow. It is reinforced with yarn for good strength. Hose is polyester plastic with a polyurethane rubber cover for good abrasion and tear resistance. The material won’t degrade when exposed to ozone or UV light.
For technical drawings and 3-D models, click on a part number.
Nickel-Plated Brass Compression Fittings for Copper Tubing
- For Use With: Air, Cutting Oil, Diesel Fuel, Ethyl Alcohol, Fuel Oil, Gasoline, Hydraulic Fluid, Isopropyl Alcohol, Lubricants, Mineral Oil, Natural Gas, Steam, Water
- Temperature Range: -75° to 550° F, except 90° elbow adapters with BSPP threads are 0° to 170° F
- Tubing: Use with copper
- Specifications Met: DIN 3861, except nuts meet DIN 3870
With a nickel-plated finish, these compression fittings resist corrosion better than plain brass fittings. They have a single sleeve (ferrule) made of plain brass that gently bites into copper tubing as you tighten the nut, creating a strong seal. The nut and sleeve are included. These fittings are also known as flareless fittings. All meet DIN standards for tube fitting dimensions.
For technical drawings and 3-D models, click on a part number.
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Pipe Size | Material | Maximum Pressure | Each | |
BSPT Threads | ||||||
| 4 | 1 | 1/8 | Nickel-Plated Brass | 1,800 psi @ 72° F | 0000000 | 00000 |
| 6 | 1 | 1/8 | Nickel-Plated Brass | 2,500 psi @ 72° F | 0000000 | 0000 |
| 6 | 1 | 1/4 | Nickel-Plated Brass | 2,500 psi @ 72° F | 0000000 | 0000 |
| 8 | 1 | 1/8 | Nickel-Plated Brass | 2,100 psi @ 72° F | 0000000 | 0000 |
| 8 | 1 | 1/4 | Nickel-Plated Brass | 2,100 psi @ 72° F | 0000000 | 0000 |
| 8 | 1 | 3/8 | Nickel-Plated Brass | 2,100 psi @ 72° F | 0000000 | 0000 |
| 10 | 1 | 1/4 | Nickel-Plated Brass | 1,600 psi @ 72° F | 0000000 | 0000 |
| 10 | 1 | 3/8 | Nickel-Plated Brass | 1,600 psi @ 72° F | 0000000 | 0000 |
| 12 | 1 | 3/8 | Nickel-Plated Brass | 1,000 psi @ 72° F | 0000000 | 0000 |
| 12 | 1 | 1/2 | Nickel-Plated Brass | 1,000 psi @ 72° F | 0000000 | 0000 |
| 14 | 1 | 1/2 | Nickel-Plated Brass | 1,000 psi @ 72° F | 0000000 | 0000 |
| 15 | 1 | 1/2 | Nickel-Plated Brass | 1,000 psi @ 72° F | 0000000 | 0000 |
| 16 | 1 | 1/2 | Nickel-Plated Brass | 1,000 psi @ 72° F | 00000000 | 0000 |
| 18 | 1 | 1/2 | Nickel-Plated Brass | 900 psi @ 72° F | 00000000 | 00000 |
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Pipe Size | Material | Maximum Pressure | Each | |
BSPP Threads | ||||||
| 4 | 1 | 1/8 | Nickel-Plated Brass | 1,800 psi @ 72° F | 00000000 | 00000 |
| 6 | 1 | 1/8 | Nickel-Plated Brass | 2,500 psi @ 72° F | 00000000 | 0000 |
| 6 | 1 | 1/4 | Nickel-Plated Brass | 2,500 psi @ 72° F | 00000000 | 0000 |
| 8 | 1 | 1/4 | Nickel-Plated Brass | 2,100 psi @ 72° F | 00000000 | 0000 |
| 8 | 1 | 3/8 | Nickel-Plated Brass | 2,100 psi @ 72° F | 00000000 | 0000 |
| 10 | 1 | 1/4 | Nickel-Plated Brass | 1,600 psi @ 72° F | 00000000 | 0000 |
| 15 | 1 | 1/2 | Nickel-Plated Brass | 1,000 psi @ 72° F | 00000000 | 0000 |
For Tube | |||||
|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Material | Maximum Pressure | Each | |
| 4 | 1 | Nickel-Plated Brass | 1,800 psi @ 72° F | 0000000 | 00000 |
| 6 | 1 | Nickel-Plated Brass | 2,500 psi @ 72° F | 0000000 | 0000 |
| 8 | 1 | Nickel-Plated Brass | 2,100 psi @ 72° F | 0000000 | 0000 |
| 10 | 1 | Nickel-Plated Brass | 1,600 psi @ 72° F | 0000000 | 0000 |
| 12 | 1 | Nickel-Plated Brass | 1,000 psi @ 72° F | 0000000 | 0000 |
| 14 | 1 | Nickel-Plated Brass | 1,000 psi @ 72° F | 0000000 | 00000 |
| 15 | 1 | Nickel-Plated Brass | 1,000 psi @ 72° F | 0000000 | 00000 |
Adapter, Tube × Male
Threaded Pipe (BSPT)
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Pipe Size | Material | Maximum Pressure | Each | |
BSPP Threads | ||||||
| 4 | 1 | 1/8 | Nickel-Plated Brass | 1,800 psi @ 72° F | 00000000 | 00000 |
| 6 | 1 | 1/8 | Nickel-Plated Brass | 2,500 psi @ 72° F | 00000000 | 0000 |
| 6 | 1 | 1/4 | Nickel-Plated Brass | 2,500 psi @ 72° F | 00000000 | 0000 |
| 8 | 1 | 1/8 | Nickel-Plated Brass | 2,100 psi @ 72° F | 00000000 | 0000 |
| 8 | 1 | 1/4 | Nickel-Plated Brass | 2,100 psi @ 72° F | 00000000 | 0000 |
| 10 | 1 | 1/4 | Nickel-Plated Brass | 1,600 psi @ 72° F | 00000000 | 0000 |
| 12 | 1 | 3/8 | Nickel-Plated Brass | 1,000 psi @ 72° F | 00000000 | 00000 |
BSPT Threads | ||||||
| 4 | 1 | 1/8 | Nickel-Plated Brass | 1,800 psi @ 72° F | 0000000 | 0000 |
| 6 | 1 | 1/8 | Nickel-Plated Brass | 2,500 psi @ 72° F | 0000000 | 0000 |
| 6 | 1 | 1/4 | Nickel-Plated Brass | 2,500 psi @ 72° F | 0000000 | 0000 |
| 8 | 1 | 1/8 | Nickel-Plated Brass | 2,100 psi @ 72° F | 0000000 | 0000 |
| 8 | 1 | 1/4 | Nickel-Plated Brass | 2,100 psi @ 72° F | 0000000 | 0000 |
| 14 | 1 | 1/2 | Nickel-Plated Brass | 1,000 psi @ 72° F | 0000000 | 0000 |
Inline tees are also known as branch tees.
Right-angle tees are also known as run tees.
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Nut Material | Maximum Pressure | Length, mm | Each | |
Short Nuts | ||||||
| 4 | 1 | Nickel-Plated Brass | 1,800 psi @ 72° F | 11 | 00000000 | 00000 |
| 6 | 1 | Nickel-Plated Brass | 2,500 psi @ 72° F | 12 | 00000000 | 000 |
| 8 | 1 | Nickel-Plated Brass | 2,100 psi @ 72° F | 12 | 00000000 | 000 |
| 10 | 1 | Nickel-Plated Brass | 1,600 psi @ 72° F | 16 | 00000000 | 0000 |
| 12 | 1 | Nickel-Plated Brass | 1,000 psi @ 72° F | 16 | 00000000 | 0000 |
| 14 | 1 | Nickel-Plated Brass | 1,000 psi @ 72° F | 19 | 00000000 | 0000 |
| 15 | 1 | Nickel-Plated Brass | 1,000 psi @ 72° F | 17 | 00000000 | 0000 |
For Tube | |||||
|---|---|---|---|---|---|
| OD, mm | Wall Thickness, mm | Sleeve Material | Maximum Pressure | Each | |
| 4 | 1 | Brass | 1,800 psi @ 72° F | 00000000 | 00000 |
| 6 | 1 | Brass | 2,500 psi @ 72° F | 00000000 | 000 |
| 8 | 1 | Brass | 2,100 psi @ 72° F | 00000000 | 000 |
| 10 | 1 | Brass | 1,600 psi @ 72° F | 00000000 | 000 |
| 12 | 1 | Brass | 1,000 psi @ 72° F | 00000000 | 000 |
| 14 | 1 | Brass | 1,000 psi @ 72° F | 00000000 | 000 |
| 15 | 1 | Brass | 1,000 psi @ 72° F | 00000000 | 000 |
Vibration-Resistant Compression Fittings for Copper Tubing
- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Lubricants, Mineral Oil, Water
- Temperature Range: -30° to 270° F, except fluoroelastomer sleeves are -15° to 450° F
- Tubing: Use with copper
The sleeve (ferrule) in these fittings is rubber instead of metal, so it cushions the tubing and absorbs vibration while creating a tight seal. The sleeve aligns the tubing during installation. Fittings come with a nut and a sleeve. They are also known as flareless fittings. They are brass for good corrosion resistance.
NPTF (Dryseal) threads are compatible with NPT threads.
For technical drawings and 3-D models, click on a part number.
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPTF Threads | |||||
|---|---|---|---|---|---|
| 3/16" | 1/8 | Brass | 300 psi @ 72° F | 00000000 | 000000 |
| 1/4" | 1/8 | Brass | 300 psi @ 72° F | 00000000 | 00000 |
| 1/4" | 1/4 | Brass | 300 psi @ 72° F | 00000000 | 00000 |
| 5/16" | 1/4 | Brass | 220 psi @ 72° F | 00000000 | 00000 |
| 3/8" | 1/8 | Brass | 170 psi @ 72° F | 00000000 | 00000 |
| 3/8" | 1/4 | Brass | 170 psi @ 72° F | 00000000 | 00000 |
| 3/8" | 3/8 | Brass | 170 psi @ 72° F | 00000000 | 00000 |
| 1/2" | 3/8 | Brass | 100 psi @ 72° F | 00000000 | 00000 |
| For Tube OD | Pipe Size | Material | Max. Pressure | Each | |
NPTF Threads | |||||
|---|---|---|---|---|---|
| 3/16" | 1/8 | Brass | 300 psi @ 72° F | 00000000 | 000000 |
| 1/4" | 1/8 | Brass | 300 psi @ 72° F | 00000000 | 00000 |
| 1/4" | 1/4 | Brass | 300 psi @ 72° F | 00000000 | 00000 |
| 5/16" | 1/4 | Brass | 220 psi @ 72° F | 00000000 | 00000 |
| 3/8" | 1/8 | Brass | 170 psi @ 72° F | 00000000 | 00000 |
| 3/8" | 1/4 | Brass | 170 psi @ 72° F | 00000000 | 00000 |
| 3/8" | 3/8 | Brass | 170 psi @ 72° F | 00000000 | 00000 |
| 1/2" | 3/8 | Brass | 100 psi @ 72° F | 00000000 | 00000 |
| 1/2" | 1/2 | Brass | 100 psi @ 72° F | 00000000 | 00000 |
| For Tube OD | Sleeve Color | Max. Pressure | Each | |
Buna-N Rubber | ||||
|---|---|---|---|---|
| 3/16" | Black with Green Stripe | 300 psi @ 72° F | 00000000 | 00000 |
| 1/4" | Black with Green Stripe | 300 psi @ 72° F | 00000000 | 0000 |
| 5/16" | Black with Green Stripe | 220 psi @ 72° F | 00000000 | 0000 |
| 3/8" | Black with Green Stripe | 170 psi @ 72° F | 00000000 | 0000 |
| 1/2" | Black with Green Stripe | 100 psi @ 72° F | 00000000 | 0000 |
Fluoroelastomer Rubber | ||||
| 3/16" | Black with Red Stripe | 300 psi @ 72° F | 00000000 | 00000 |
| 1/4" | Black with Red Stripe | 300 psi @ 72° F | 00000000 | 0000 |
| 5/16" | Black with Red Stripe | 220 psi @ 72° F | 00000000 | 0000 |
| 3/8" | Black with Red Stripe | 170 psi @ 72° F | 00000000 | 0000 |
| 1/2" | Black with Red Stripe | 100 psi @ 72° F | 00000000 | 00000 |