Face Bushings | McMaster-Carr

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Conduit Trade Size

Maximum Steam Pressure @ Temperature

125 psi @ 350° F

150 psi @ 350° F

125 psi @ 400° F

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For Conduit Material

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94 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

Low-Pressure Iron and Steel Threaded Pipe Fittings

Use these fittings for low-pressure applications in noncorrosive environments.

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

Bushing Straight Reducing Adapters

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class: See table
Specifications Met: ASME B16.14
Pipe Nipples and Pipe: Use Schedule 40 steel

Pipe Size
(A)	(B)	Pressure Class	Max. Pressure	Max. Steam Pressure	Material		Each
NPT Male × NPT Female
1/4	1/8	150	150 psi @ 72° F	150 psi @ 350° F	Steel	000000000	00000
3/8	1/8	150	150 psi @ 72° F	150 psi @ 350° F	Steel	000000000	0000
3/8	1/4	150	150 psi @ 72° F	150 psi @ 350° F	Steel	000000000	0000
1/2	1/8	150	150 psi @ 72° F	150 psi @ 350° F	Steel	000000000	0000
1/2	1/4	150	150 psi @ 72° F	150 psi @ 350° F	Steel	000000000	0000
1/2	3/8	150	150 psi @ 72° F	150 psi @ 350° F	Steel	000000000	0000
3/4	1/8	150	150 psi @ 72° F	150 psi @ 350° F	Steel	000000000	0000
3/4	1/4	150	150 psi @ 72° F	150 psi @ 350° F	Steel	000000000	0000
3/4	3/8	150	150 psi @ 72° F	150 psi @ 350° F	Steel	000000000	0000
3/4	1/2	150	150 psi @ 72° F	150 psi @ 350° F	Steel	000000000	0000
1	1/4	150	150 psi @ 72° F	150 psi @ 350° F	Steel	000000000	0000
1	3/8	150	150 psi @ 72° F	150 psi @ 350° F	Steel	000000000	0000
1	1/2	150	150 psi @ 72° F	150 psi @ 350° F	Steel	000000000	0000
1	3/4	150	150 psi @ 72° F	150 psi @ 350° F	Steel	000000000	0000
1 1/4	3/4	150	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
1 1/4	1	150	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
1 1/2	3/4	150	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
1 1/2	1	150	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
1 1/2	1 1/4	150	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
2	1	150	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
2	1 1/4	150	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
2	1 1/2	150	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
2 1/2	1 1/4	150	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
2 1/2	2	150	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
3	2	125	150 psi @ 72° F	125 psi @ 350° F	Iron	000000000	00000
3	2 1/2	150	150 psi @ 72° F	150 psi @ 350° F	Iron	000000000	00000
4	3	125	150 psi @ 72° F	125 psi @ 350° F	Iron	000000000	000000

Low-Pressure Galvanized Iron and Steel Threaded Pipe Fittings

The galvanized finish on these fittings provides fair corrosion resistance. Fittings are for use in low-pressure applications.

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

Bushing Straight Reducing Adapters

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class: 150
Specifications Met: ASME B16.14
Pipe Nipples and Pipe: Use Schedule 40 galvanized steel
Flanges: Use Class 150 galvanized steel

Pipe Size
(A)	(B)	Max. Pressure	Max. Steam Pressure	Material		Each
NPT Male × NPT Female
1/4	1/8	150 psi @ 72° F	150 psi @ 350° F	Galvanized Steel	00000000	00000
3/8	1/8	150 psi @ 72° F	150 psi @ 350° F	Galvanized Steel	00000000	0000
3/8	1/4	150 psi @ 72° F	150 psi @ 350° F	Galvanized Steel	00000000	0000
1/2	1/8	150 psi @ 72° F	150 psi @ 350° F	Galvanized Steel	00000000	0000
1/2	1/4	150 psi @ 72° F	150 psi @ 350° F	Galvanized Steel	00000000	0000
1/2	3/8	150 psi @ 72° F	150 psi @ 350° F	Galvanized Steel	00000000	0000
3/4	1/8	150 psi @ 72° F	150 psi @ 350° F	Galvanized Steel	00000000	0000
3/4	1/4	150 psi @ 72° F	150 psi @ 350° F	Galvanized Steel	00000000	0000
3/4	3/8	150 psi @ 72° F	150 psi @ 350° F	Galvanized Steel	00000000	0000
3/4	1/2	150 psi @ 72° F	150 psi @ 350° F	Galvanized Steel	00000000	0000
1	1/4	150 psi @ 72° F	150 psi @ 350° F	Galvanized Steel	00000000	0000
1	3/8	150 psi @ 72° F	150 psi @ 350° F	Galvanized Steel	00000000	0000
1	1/2	150 psi @ 72° F	150 psi @ 350° F	Galvanized Steel	00000000	0000
1	3/4	150 psi @ 72° F	150 psi @ 350° F	Galvanized Steel	00000000	0000
1 1/4	1	150 psi @ 72° F	150 psi @ 350° F	Galvanized Iron	00000000	00000
1 1/2	1 1/4	150 psi @ 72° F	150 psi @ 350° F	Galvanized Iron	00000000	00000
2	1	150 psi @ 72° F	150 psi @ 350° F	Galvanized Iron	00000000	00000
2	1 1/4	150 psi @ 72° F	150 psi @ 350° F	Galvanized Iron	00000000	00000
2	1 1/2	150 psi @ 72° F	150 psi @ 350° F	Galvanized Iron	00000000	00000
2 1/2	2	150 psi @ 72° F	150 psi @ 350° F	Galvanized Iron	00000000	00000

Low-Pressure Brass and Bronze Threaded Pipe Fittings

Use these fittings in low-pressure flow applications. They have good corrosion resistance. Fittings rated for use with drinking water meet NSF/ANSI 61 safety standards.

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

Bushing Straight Reducing Adapters

For Use With: Air, Drinking Water, Natural Gas, Oil
Pressure Class: 125
Specifications Met: ASME B16.15, NSF/ANSI 61, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 40 brass
Flanges: Use Class 150 brass

Pipe Size
(A)	(B)	Max. Pressure	Material		Each
NPT Male × NPT Female
3/8	1/4	200 psi @ 72° F	Brass	00000000	00000
1/2	3/8	200 psi @ 72° F	Brass	00000000	0000
3/4	1/2	200 psi @ 72° F	Brass	00000000	0000

Low-Pressure Plated Brass Threaded Pipe Fittings

Used in low-pressure pipe lines, these brass fittings have a plating that makes them shiny and improves corrosion resistance.

Chrome-plated brass fittings are shinier and withstand corrosion better than nickel-plated brass fittings.

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

Bushing Straight Reducing Adapters

For Use With: Air, Natural Gas, Oil, Steam, Water
Pressure Class: 125
Specifications Met: ASME B16.15, ASTM B456
Pipe Nipples and Pipe: Use Schedule 40 brass

Pipe Size
(A)	(B)	Max. Pressure	Max. Steam Pressure		Each
NPT Male × NPT Female
Chrome-Plated Brass
1/4	1/8	200 psi @ 72° F	125 psi @ 400° F	00000000	00000
3/8	1/4	200 psi @ 72° F	125 psi @ 400° F	00000000	0000
1/2	3/8	200 psi @ 72° F	125 psi @ 400° F	00000000	0000
3/4	3/8	200 psi @ 72° F	125 psi @ 400° F	00000000	00000
3/4	1/2	200 psi @ 72° F	125 psi @ 400° F	00000000	00000

High-Pressure Brass Threaded Pipe Fittings

These fittings have the strength to handle high-pressure applications. They are brass for good corrosion resistance.

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

Bushing Straight Reducing Adapters, Male × Female

For Use With: Air, Natural Gas, Oil, Water

Pipe Size
(A)	(B)	Max. Pressure		Each
NPT Male × NPT Female
3/8	1/4	1,000 psi @ 72° F	000000000	00000
1/2	3/8	1,000 psi @ 72° F	000000000	0000
3/4	1/2	1,000 psi @ 72° F	000000000	0000

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

Join two different sizes of threaded conduit. Use with medium-wall (IMC) and thick-wall (rigid) steel conduit.

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

Conduit Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	Material	Specifications Met		Each
3/4 × 1/2	3/4 × 1/2	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	0000000	00000
1 × 1/2	1 × 1/2	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	0000000	0000
1 × 3/4	1 × 3/4	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	0000000	0000
1 1/4 × 1/2	1 1/4 × 1/2	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	0000000	0000
1 1/4 × 3/4	1 1/4 × 3/4	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	0000000	0000
1 1/4 × 1	1 1/4 × 1	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	0000000	0000
1 1/2 × 1	1 1/2 × 1	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	0000000	0000
2 × 1/2	2 × 1/2	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	0000000	00000
2 × 3/4	2 × 3/4	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	0000000	00000
2 × 1	2 × 1	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	0000000	00000
2 × 1 1/4	2 × 1 1/4	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	0000000	00000
2 × 1 1/2	2 × 1 1/2	NPSM	Male × Female	Zinc-Plated Steel	UL Listed	0000000	00000

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

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

Fully threaded male and male with threaded ends are also known as nipple extensions. They extend the length of conduit or connect two outlet boxes or enclosures.

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

Straight Connectors—Threaded Conduit or Electrical Box Connection

Fully Threaded

Conduit or Electrical Box Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	Lg.	Material	Specifications Met		Each
Fully Threaded
1/2	1/2	NPT	Male	1 1/8"	Galvanized Steel	UL Listed, C-UL Listed, CSA Certified	0000000	00000
3/4	3/4	NPT	Male	1 3/8"	Galvanized Steel	UL Listed, C-UL Listed, CSA Certified	0000000	0000
1	1	NPT	Male	1 1/2"	Galvanized Steel	UL Listed, C-UL Listed, CSA Certified	0000000	0000

Bushings for Rigid Aluminum Conduit

Join two different sizes of rigid aluminum conduit. Made of nonmagnetic aluminum, these bushings withstand damp and corrosive environments.

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

Conduit Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	Specifications Met		Each
3/4 × 1/2	3/4 × 1/2	NPT	Male × Female	UL Listed	0000000	00000
1 × 1/2	1 × 1/2	NPT	Male × Female	UL Listed	0000000	0000
1 × 3/4	1 × 3/4	NPT	Male × Female	UL Listed	0000000	0000
1 1/4 × 1/2	1 1/4 × 1/2	NPT	Male × Female	UL Listed	0000000	0000
1 1/4 × 3/4	1 1/4 × 3/4	NPT	Male × Female	UL Listed	0000000	0000
1 1/4 × 1	1 1/4 × 1	NPT	Male × Female	UL Listed	0000000	0000
1 1/2 × 3/4	1 1/2 × 3/4	NPT	Male × Female	UL Listed	0000000	00000
1 1/2 × 1	1 1/2 × 1	NPT	Male × Female	UL Listed	0000000	00000
2 × 3/4	2 × 3/4	NPT	Male × Female	UL Listed	0000000	00000
2 × 1	2 × 1	NPT	Male × Female	UL Listed	0000000	00000
2 × 1 1/4	2 × 1 1/4	NPT	Male × Female	UL Listed	0000000	00000
2 × 1 1/2	2 × 1 1/2	NPT	Male × Female	UL Listed	0000000	00000

Hazardous Location Conduit Bushings

Join two different sizes of thick-wall (rigid) metal conduit. These bushings meet Class I and II, Division 1 and 2 standards for flammable gases and combustible dust in hazardous locations.

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

Conduit Connection
Conduit Trade Size	Pipe Size	Thread Type	Gender	Material	Environmental Rating	Specifications Met		Each
3/4 × 1/2	3/4 × 1/2	NPT	Male × Female	Aluminum	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	00000
1 × 1/2	1 × 1/2	NPT	Male × Female	Aluminum	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	0000
1 × 3/4	1 × 3/4	NPT	Male × Female	Aluminum	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	0000
1 1/4 × 1/2	1 1/4 × 1/2	NPT	Male × Female	Aluminum	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	0000
1 1/4 × 3/4	1 1/4 × 3/4	NPT	Male × Female	Aluminum	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	0000
1 1/4 × 1	1 1/4 × 1	NPT	Male × Female	Aluminum	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	0000
1 1/2 × 1	1 1/2 × 1	NPT	Male × Female	Aluminum	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	00000
2 × 1	2 × 1	NPT	Male × Female	Aluminum	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	00000
2 × 1 1/2	2 × 1 1/2	NPT	Male × Female	Aluminum	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA	UL Listed; CSA Certified	0000000	00000