Metal Pipe Fittings | McMaster-Carr

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	System of Measurement System of Measurement

	Pipe Size Pipe Size

	Thread Type Thread Type

Chicago Fire Department

UNJ/UNJF (Tube End)

	Type Type


Connector	Adapter

Pipe	Reducing Adapter

Bushing	Reducer

Union	Plug

Flange	Cap

Outlet	Locknut

Stub End	O-Ring

Port	Repair Clamp

Saddle Tap	Clamp

Nut	Sleeve

Trap	Tube Support

	Material Material

Stainless
Steel

	Shape Shape


Straight	90° Elbow

Tee	Cap/Plug

45° Elbow	Cross

Hex	Wye

180° Bend	Round

Manifold	70° Elbow

270° Bend	Crossover

Double 90° Elbow	Junction Block

Side-Outlet Elbow	Z

	Connection Style Connection Style

Push to Connect

Quick Disconnect

O-Ring Face Seal

	For Use With For Use With

Abrasive Materials

Ammonium Hydroxide

Anhydrous Ammonia

Boron Trifluoride

Calcium Chloride

Carbon Monoxide

Carbonyl Sulfide

Deionized Water

Dichlorotetrafluoroethane

Ethylene Glycol

Flammable Gases

Hydraulic Fluid

Hydrochloric Acid

Hydrofluoric Acid

Hydrogen Bromide

Hydrogen Chloride

Hydrogen Fluoride

Hydrogen Iodide

Hydrogen Sulfide

Isopropyl Alcohol

Liquid Nitrogen

Medical Gas Mixtures

Methyl Chloride

Methyl Fluoride

Mineral Spirits

Nitrogen Trifluoride

Oxygen Mixtures

Perfluoropropane

Pharmaceuticals

Phosphoric Acid

Plastic Pellets

Propylene Glycol

Refrigerant Gases

Silicon Tetrafluoride

Sodium Carbonate

Sodium Hydroxide

Sulfur Hexafluoride

Sulfur Tetrafluoride

Trifluoroethane

Tungsten Hexafluoride

	Gender Gender

	Connection Type Connection Type


Pipe	Tube

Hose

	Length Length

	Threading Threading

Threaded on Both Ends

Threaded on One End

	For Tube OD For Tube OD

	Maximum Pressure Maximum Pressure

650 psi @ 70° F

0.5 psi @ 72° F

15 psi @ 72° F

25 psi @ 72° F

30 psi @ 72° F

40 psi @ 72 ° F

45 psi @ 72° F

50 psi @ 72° F

60 psi @ 72° F

70 psi @ 72° F

75 psi @ 72° F

90 psi @ 72 ° F

100 psi @ 72° F

110 psi @ 72° F

120 psi @ 72° F

125 psi @ 72° F

130 psi @ 72° F

140 psi @ 72° F

145 psi @ 72° F

150 psi @ 72° F

160 psi @ 72° F

170 psi @ 72° F

175 psi @ 72° F

200 psi @ 72° F

215 psi @ 72° F

220 psi @ 72° F

225 psi @ 72° F

230 psi @ 72° F

250 psi @ 72° F

270 psi @ 72° F

285 psi @ 72° F

290 psi @ 72° F

300 psi @ 72° F

345 psi @ 72° F

350 psi @ 72° F

360 psi @ 72° F

400 psi @ 72° F

435 psi @ 72° F

450 psi @ 72° F

500 psi @ 72° F

507 psi @ 72° F

530 psi @ 72° F

550 psi @ 72° F

580 psi @ 72° F

600 psi @ 72° F

610 psi @ 72° F

650 psi @ 72° F

700 psi @ 72° F

725 psi @ 72° F

750 psi @ 72° F

790 psi @ 72° F

800 psi @ 72° F

870 psi @ 72° F

900 psi @ 72° F

910 psi @ 72° F

970 psi @ 72° F

1,000 psi @ 72° F

1050 psi @ 72° F

1,080 psi @ 72° F

1,090 psi @ 72° F

1,100 psi @ 72° F

1,160 psi @ 72° F

1,200 psi @ 72° F

1,230 psi @ 72° F

1,250 psi @ 72° F

1,300 psi @ 72° F

1,340 psi @ 72° F

1,400 psi @ 72° F

1,450 psi @ 72° F

1,500 psi @ 72° F

1,510 psi @ 72° F

1,600 psi @ 72° F

1,700 psi @ 72° F

1,760 psi @ 72° F

1,800 psi @ 72° F

1,840 psi @ 72° F

1900 psi @ 72° F

1,960 psi @ 72° F

2,000 psi @ 72° F

2,030 psi @ 72° F

2,100 psi @ 72° F

2150 psi @ 72° F

2,170 psi @ 72° F

2,200 psi @ 72° F

2,210 psi @ 72° F

2,300 psi @ 72° F

2,400 psi @ 72° F

2,500 psi @ 72° F

2,600 psi @ 72° F

2,700 psi @ 72° F

2750 psi @ 72° F

2,800 psi @ 72° F

2,900 psi @ 72° F

3,000 psi @ 72° F

3,100 psi @ 72° F

3,200 psi @ 72° F

3,250 psi @ 72° F

3,300 psi @ 72° F

3,400 psi @ 72° F

3,500 psi @ 72° F

3,600 psi @ 72° F

3,700 psi @ 72° F

3,750 psi @ 72° F

3,800 psi @ 72° F

3,900 psi @ 72° F

4,000 psi @ 72° F

4,100 psi @ 72° F

4,200 psi @ 72° F

4,250 psi @ 72° F

4,300 psi @ 72° F

4,350 psi @ 72° F

4,400 psi @ 72° F

4,500 psi @ 72° F

4,600 psi @ 72° F

4,650 psi @ 72° F

4,700 psi @ 72° F

4,800 psi @ 72° F

4,900 psi @ 72° F

5,000 psi @ 72° F

5,100 psi @ 72° F

5,200 psi @ 72° F

5,250 psi @ 72° F

5,300 psi @ 72° F

5,350 psi @ 72° F

5,400 psi @ 72° F

5,450 psi @ 72° F

5,500 psi @ 72° F

5,600 psi @ 72° F

5,800 psi @ 72° F

5,900 psi @ 72° F

6,000 psi @ 72° F

6,100 psi @ 72° F

6,150 psi @ 72° F

6,200 psi @ 72° F

6,300 psi @ 72° F

6,400 psi @ 72° F

6,500 psi @ 72° F

6,600 psi @ 72° F

6,700 psi @ 72° F

6,800 psi @ 72° F

6,900 psi @ 72° F

7,000 psi @ 72° F

7,100 psi @ 72° F

7,200 psi @ 72° F

7,300 psi @ 72° F

7,500 psi @ 72° F

7,600 psi @ 72° F

7,700 psi @ 72° F

7,800 psi @ 72° F

8,000 psi @ 72° F

8,500 psi @ 72° F

9,000 psi @ 72° F

9,100 psi @ 72° F

9,500 psi @ 72° F

9,700 psi @ 72° F

10,000 psi @ 72° F

11,000 psi @ 72° F

11,600 psi @ 72° F

15,000 psi @ 72° F

3,000 psi @ 100° F

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

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	Schedule Schedule


10	40

80	160

XXH

	For Pipe Material For Pipe Material

Stainless
Steel

	Specifications Met Specifications Met

	Finish Finish

Black Nickel Plated

Black Zinc Plated

	Class Class

	For Tube Material For Tube Material

Stainless
Steel

	For Pipe Schedule For Pipe Schedule


10	40

80	160

XXH

	Maximum Temperature Maximum Temperature

Less than 200° F

200° to 249° F

250° to 499° F

500° to 999° F

1,000° F or greater

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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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