Reducing Adapter Bulkheads

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	Reducing Adapter

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Connector	Adapter

Bushing	Reducing Adapter

Reducer

	Thread Type Thread Type

Metric

NPT

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

M10

	Thread Pitch Thread Pitch

0.8 mm

1 mm

	Pipe Size Pipe Size

3/8
1/2
3/4
1
1 1/4
1 1/2
2
2 1/2
3
4

	Mount Type Mount Type

	Through Wall

	Gender Gender

Female

Male

	Material Material

Brass

Stainless Steel

Iron

	For Use With For Use With

	Shape Shape

	Straight

	Connection Style Connection Style

Threaded

	Connection Type Connection Type

	Pipe

	Length Length

	Hex Width Hex Width

	Tank Connection Type Tank Connection Type

Threaded

	Finish Finish

Nickel Plated

Black Coated

	For Pipe Material For Pipe Material

Steel

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	For Pipe Schedule For Pipe Schedule

	40

	Maximum Pressure Maximum Pressure

1,080 psi @ 72° F

Not Rated

	For Tank Surface For Tank Surface

Flat

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant with
Exemptions

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22 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.

High-Pressure Plated Brass Threaded Pipe Fittings

The plating on these brass fittings creates a shiny finish and provides extra protection in corrosive environments. Fittings have the strength to handle high-pressure applications.

Nickel-plated brass fittings provide better corrosion resistance than unplated brass fittings.

Through-wall fittings are also known as bulkhead couplings and panel-mount couplings; they mount through a wall or panel to create an inlet or outlet.

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

Through-Wall Bushing Straight Reducing Adapters

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

Thread Size				Nickel-Plated Brass
(A)	(B)	For Max. Wall Thick.	Max. Pressure		Each
Metric Male × Metric Female
M10 × 1 mm	M5 × 0.8 mm	0.276"	1,080 psi @ 72° F	00000000	00000

Low-Pressure Stainless Steel Threaded Pipe Fittings

Use these fittings in a low-pressure pipe line. 304 stainless steel fittings have very good corrosion resistance.

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

Bushing Straight Reducing Adapters for Flat Tanks

For Use With: Air, Diesel Fuel, Gasoline, Oil, Steam, Water

Pipe Size				304 Stainless Steel
(A)	(B)	Lg.	Hex Wd.		Each
NPT Male × NPT Female
2	1/2	1 5/16"	2"	0000000	000000
2	3/4	1 5/16"	2"	0000000	00000
2	1	1 1/2"	2"	0000000	00000
4	2	2"	4"	0000000	000000

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 Flat Tanks

For Use With: Air, Diesel Fuel, Gasoline, Oil, Steam, Water
Pipe Nipples and Pipe: Use Schedule 40 steel

Pipe Size
(A)	(B)	Lg.	Hex Wd.	Material		Each
NPT Male × NPT Female
1 1/2	1/2	1 7/32"	1 3/8"	Black-Coated Iron	0000000	000000
1 1/2	3/4	1 5/16"	1 23/32"	Black-Coated Iron	0000000	00000
1 1/2	1	1 5/16"	1 23/32"	Black-Coated Iron	0000000	00000
2	3/8	1 5/16"	1 3/8"	Black-Coated Iron	0000000	00000
2	1/2	1 5/16"	1 3/8"	Black-Coated Iron	0000000	00000
2	3/4	1 3/8"	1 11/16"	Black-Coated Iron	0000000	00000
2	1	1 11/16"	2 1/32"	Black-Coated Iron	0000000	00000
2	1 1/4	1 9/16"	2 19/32"	Black-Coated Iron	0000000	00000
2	1 1/2	1 25/32"	2 17/32"	Black-Coated Iron	0000000	00000
2 1/2	2	1 25/32"	2 17/32"	Black-Coated Iron	0000000	00000
3	1	1 9/16"	2 5/16"	Black-Coated Iron	0000000	00000
3	1 1/2	1 21/32"	2 11/16"	Black-Coated Iron	0000000	00000
3	2	1 3/4"	3 1/4"	Black-Coated Iron	0000000	00000
4	1	1 7/8"	2 7/8"	Black-Coated Iron	0000000	00000
4	2	1 13/32"	2 9/16"	Black-Coated Iron	0000000	00000
4	2 1/2	2 11/32"	4 5/16"	Black-Coated Iron	0000000	00000
4	3	2 7/16"	4 3/4"	Black-Coated Iron	0000000	00000