Nipples for Nitrogen | McMaster-Carr

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	Pipe Size Pipe Size

	Thread Type Thread Type

	Type Type


Pipe	Adapter

Connector	Reducer

Nut

	Material Material

	For Use With For Use With	Show

Nitrogen

	For Use With For Use With	Hide

Warning: Products have one, but not necessarily all, of the selected characteristics.

Dichlorotetrafluoroethane

Silicon Tetrafluoride

Tungsten Hexafluoride

	Maximum Pressure Maximum Pressure

	Shape Shape

	Straight

	System of Measurement System of Measurement

Inch

	Length Length

	Threading Threading

Threaded on Both Ends

Fully Threaded

Threaded on One End

	Gender Gender

Male

Female

	Connection Style Connection Style

	OD OD

	ID ID

	Wall Thickness Wall Thickness

	Connection Type Connection Type


Pipe	Hose

Tube

	Connects To Connects To

Tank

Regulator

	CGA Number CGA Number

022
032
033
170
180
320
346
350
500
510
540
555
580
590
677
680
695
702
703

	Tighten With Tighten With

Wrench

Hand

	Schedule Schedule


80	XXH

	Thread Direction Thread Direction

Right Hand

Left Hand

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

RoHS Compliant

RoHS Compliant with
Exemptions

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

DFARS Specialty Metals
COTS-Exempt

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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124 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.

Thick-Wall Galvanized Iron and Steel
Threaded Pipe Nipples and Pipe

Typically used with medium-pressure galvanized iron and steel threaded pipe fittings. Also known as Schedule 80.

Super-Thick-Wall Steel Threaded Pipe Nipples and Pipe

Typically used with extreme-pressure iron and steel threaded pipe fittings. Also known as Schedule XXH.

Precision Extreme-Pressure Brass
Threaded Pipe Nipples and Pipe

Typically used with precision extreme-pressure brass and bronze threaded pipe fittings.

Precision Extreme-Pressure
Brass Threaded Pipe Fittings

Also known as instrumentation fittings, these have the most precise threads and the tightest tolerances of all the brass pipe fittings we offer.

Compressed Gas Hose Fittings

High-Pressure Nipples for Compressed Gas

Commonly used in high-pressure welding applications, these nipples connect your tank to the inlet of a pressure regulator. One side has a threaded pipe end and the other side has a rounded end that sits inside a threaded nut to make a threaded connection.

High-Pressure Threaded Fittings for Compressed Gas

Designed to handle high-pressure welding applications, these CGA fittings are commonly used to connect pressure regulators to compressed gas tanks or cylinders.

Nuts for High-Pressure Nipples for Compressed Gas

These nuts attach to high-pressure nipples for compressed gas so you can connect your tank to the inlet of a pressure regulator.

Threaded Hose Fittings for Compressed Gas

Use these CGA fittings to connect welding hose to pressure regulators and torches.

Barbed Hose Fittings for Compressed Gas

Commonly used in low-pressure welding applications, these fittings connect downstream of your pressure regulator. Slide the barbed end into hose and secure with a crimp-on hose ferrule.

Ultra-High-Polish Gasket Fittings for Stainless Steel Tubing

Ultra-High-Polish Gasket Fittings
for Stainless Steel Tubing

Polished to a 15 Ra and under finish, these fittings have a mirror smooth interior. They are also known as ultra-high-purity fittings.