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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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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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Quick-Install Pressure Test Fittings
Male Outlet Adapter with
Intermittent Swivel
NPT Female
Outlet Adapter
Female Outlet Adapter
with Intermittent Swivel
Thread these fittings onto your testing equipment by hand for a secure connection in testing applications—no tools, tape, or sealant required. Use them with gauges and other equipment as a temporary connection. When pressure is applied, the O-ring on the outlet presses against the testing equipment, creating a tight seal.
Adapters with intermittent swivel rotate 360° until tightened for easy installation.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Max. Pressure, psi | Temperature Range, °F | Gasket Material | For Use With | Each | |
NPT Female Inlet × NPT Male Outlet Adapter with Intermittent Swivel | ||||||
|---|---|---|---|---|---|---|
416 Stainless Steel | ||||||
| 1/8 × 1/8 | 5,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
| 1/4 × 1/4 | 5,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 00000 |
| 3/8 × 3/8 | 4,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
| 1/2 × 1/2 | 4,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
| 3/4 × 3/4 | 4,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
| 1 × 1 | 4,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
NPT Male Inlet × NPT Female Outlet Adapter | ||||||
416 Stainless Steel | ||||||
| 1/8 × 1/8 | 5,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 00000 |
| 1/4 × 1/4 | 5,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 00000 |
| 3/8 × 3/8 | 4,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
| 1/2 × 1/2 | 4,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
| 3/4 × 3/4 | 4,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
| 1 × 1 | 4,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
NPT Male Inlet × NPT Female Outlet Adapter with Intermittent Swivel | ||||||
416 Stainless Steel | ||||||
| 1/8 × 1/8 | 5,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
| 1/4 × 1/4 | 5,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
| 3/8 × 3/8 | 4,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
| 1/2 × 1/2 | 4,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
| 3/4 × 3/4 | 4,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
| 1 × 1 | 4,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
NPT Male Inlet Plug | ||||||
416 Stainless Steel | ||||||
| 1/8 | 5,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 00000 |
| 1/4 | 5,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 00000 |
| 3/8 | 4,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
| 1/2 | 4,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
| 3/4 | 4,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
| 1 | 4,000 | -65° to 212° | Polyurethane Rubber | Air, Argon, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydraulic Fluid (Petroleum Based), Natural Gas, Nitrogen, Oxygen, Water | 0000000 | 000000 |
Low-Pressure Stainless Steel Threaded Pipe Fittings
Use these fittings in a low-pressure pipe line. 316 stainless steel fittings have excellent corrosion resistance.
Plugs with magnet attract metal debris that could otherwise damage your system.
NPTF (Dryseal) threads and NPSL (National Pipe Straight Locknut) threads are compatible with NPT threads.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Steam, Oil, Water, Natural Gas
- Pressure Class:
NPTF: 150 - Specifications Met:
Metric and BSPP: DIN 908 - Pipe Nipples and Pipe:
NPTF: Use Schedule 40 stainless steel - Flanges:
NPTF: Use Class 150 stainless steel
316 Stainless Steel | |||||
|---|---|---|---|---|---|
| Pipe Size | Drive Size | Max. Pressure | Max. Steam Pressure | Each | |
NPTF Male with Magnet | |||||
| 1/8 | 3/16" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 00000 |
| 1/4 | 1/4" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 0000 |
| 3/8 | 5/16" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 0000 |
| 1/2 | 3/8" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 0000 |
| 3/4 | 9/16" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 0000 |
| 1 | 5/8" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 00000 |
| 1 1/4 | 3/4" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 00000 |
| 1 1/2 | 1" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 00000 |
| 2 | 1" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 00000 |
| 2 1/2 | 1" | 270 psi @ 72° F | 180 psi @ 360° F | 0000000 | 000000 |
Lever-Control Sink Drains
Avoid reaching into your sink—plug and drain your sink by moving a lever beneath the bowl. These drains are often used in food service applications.
Drain | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Sink Drain Opening Dia. | Top Dia. | Ht. | Pipe Size | Thread Type | Gender | Strainer Material | Flange Material | Each | |
Chrome Plated Brass | |||||||||
| 3" | 4 3/16" | 4 1/2" | 1 1/2 | NPT | Male | Stainless Steel | Stainless Steel | 0000000 | 000000 |
| 3" | 4 3/16" | 4 1/2" | 2 | NPT | Male | Stainless Steel | Stainless Steel | 0000000 | 00000 |
Nickel-Plated Brass | |||||||||
| 3 1/2" | 4 1/2" | 4 1/2" | 1 1/2 | NPS | Male | Stainless Steel | Stainless Steel | 0000000 | 00000 |
| 3 1/2" | 4 1/2" | 4 1/2" | 2 | NPS | Male | Stainless Steel | Stainless Steel | 0000000 | 00000 |
Lever-Control Sink Drains with Overflow Outlet Pipe
Avoid reaching into your sink—plug and drain your sink by moving a lever beneath the bowl. These drains are often used in food service applications. Use a hacksaw to trim the overflow outlet pipe to size.
Drain | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Sink Drain Opening Dia. | Top Dia. | Ht. | Pipe Size | Thread Type | Gender | Strainer Material | Flange Material | Each | |
Nickel-Plated Brass | |||||||||
| 3" | 4" | 4 1/2" | 1 1/2 | NPS | Male | Stainless Steel | Stainless Steel | 0000000 | 0000000 |
| 3" | 4" | 4 1/2" | 2 | NPS | Male | Stainless Steel | Stainless Steel | 0000000 | 000000 |
| 3 1/2" | 4 1/2" | 4 1/2" | 1 1/2 | NPS | Male | Stainless Steel | Stainless Steel | 0000000 | 000000 |
| 3 1/2" | 4 1/2" | 4 1/2" | 2 | NPS | Male | Stainless Steel | Stainless Steel | 0000000 | 000000 |
Hazardous Location Enclosure Drains
Safe for use around flammable and combustible gases, vapors, fibers, and dust, these drains let moisture buildup from temperature changes inside enclosures drip out to keep electronics dry. Mount them at the bottom of enclosures.
1/2 pipe-size drains also stand up to washdowns and weather.
For technical drawings and 3-D models, click on a part number.
| Pipe Size | Thread Type | Drive Style | Hex Size | Head Diameter | Height | Material | Protection Type | Environmental Rating | UL File Number | CSA File Number | Specifications Met | Each | |
| 3/8 | NPT Male | External Hex | 7/8" | 15/16" | 1 3/4" | 303 Stainless Steel | Dust-Ignition Proof, Explosion Proof | NEC Class I Divisions 1, 2 Groups C, D;NEC Class II Divisions 1, 2 Groups E, F, G;NEC Class III Divisions 1, 2 | E34997 | 065181_0_000 | UL Listed, CSA Certified, UL 886 | 00000000 | 000000 |
| 1/2 | NPT Male | External Hex | 7/8" | 15/16" | 1 3/4" | 304 Stainless Steel | Dust-Ignition Proof, Explosion Proof | NEMA 4X;NEC Class I Divisions 1, 2 Groups B, C, D;NEC Class II Divisions 1, 2 Groups E, F, G;NEC Class III Divisions 1, 2 | E34997 | 065181_0_000 | UL Listed, CSA Certified, UL 886 | 00000000 | 000000 |
Hazardous Location Drain Vents
Safe for use around hazardous gasses and dust, these vents maintain steady pressure and prevent moisture buildup from temperature changes inside enclosures. They allow air to flow through the enclosures while protecting the contents from washdowns, dirt, and weather. Install these vents at the lowest point on an enclosure, so moisture can drip out.
Increased-safety drains keep sparks, high temperatures, or current creepage inside an enclosure, so they won’t ignite flammable gasses and dust.
Flameproof drains reduce the risk of igniting flammable gasses and dust if an explosion occurs within the enclosure.
316 stainless steel drains stand up to corrosion. They’re best for areas with salt water.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Thread Pitch, mm | Height | Environmental Rating | Nut Material | O-Ring Material | Maximum Temperature, °F | Specifications Met | Each | |
Increased-Safety Drains | |||||||||
|---|---|---|---|---|---|---|---|---|---|
316 Stainless Steel | |||||||||
| M20 | 1.5 | 1" | NEMA 4X; IP66; NEC Class I Division 2 Groups A, B, C, D | 316 Stainless Steel | Buna-N Rubber | 185° | ATEX Ex e IIC Gb ATEX Ex tb IIIC Db IECEx Ex e IIC Gb IECEx Ex tb IIIC Db | 0000000 | 0000000 |
| M25 | 1.5 | 1 5/16" | NEMA 4X; IP66; NEC Class I Division 2 Groups A, B, C, D | 316 Stainless Steel | Buna-N Rubber | 185° | ATEX Ex e IIC Gb ATEX Ex tb IIIC Db IECEx Ex e IIC Gb IECEx Ex tb IIIC Db | 000000 | 000000 |
Flameproof Drains | |||||||||
316 Stainless Steel | |||||||||
| M20 | 1.5 | 1" | NEMA 4X; IP66; NEC Class I Division 2 Groups A, B, C, D | __ | Silicone Rubber | 300° | ATEX Ex d IIC Gb ATEX Ex e IIC Gb ATEX Ex tb IIIC Db IECEx Ex d IIC Gb IECEx Ex e IIC Gb IECEx Ex tb IIIC Db | 0000000 | 000000 |
| M25 | 1.5 | 1 5/16" | NEMA 4X; IP66; NEC Class I Division 2 Groups A, B, C, D | __ | Silicone Rubber | 300° | ATEX Ex d IIC Gb ATEX Ex e IIC Gb ATEX Ex tb IIIC Db IECEx Ex d IIC Gb IECEx Ex e IIC Gb IECEx Ex tb IIIC Db | 0000000 | 000000 |
Self-Draining Breather Vents
Minimize moisture buildup in enclosures. Also known as drain plugs, these breather vents have a small outlet that allows condensation to drain. They have a silicone O-ring above the threads for a tight seal. Install them at the lowest point of the enclosure. Breather vents meet IP66 for protection in washdown environments. Use them to prevent excess vacuum and pressure in cylinders, gear boxes, and tanks and to block debris from entering equipment.
316 stainless steel breather vents have excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.