NPT Pipe Fittings | McMaster-Carr

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System of Measurement

Pipe Size

Material

Compressed Non-Asbestos Synthetic Fiber

Stainless Steel

Fitting Type

Expansion Joint

Reducing Adapter

Gender

Fitting Connection

O-Ring Face Seal

Push to Connect

Quick Disconnect

For Use With

Abrasive Materials

Medical Gas Blend

Organic Solvents

Pharmaceuticals

Acetic Acid (White Vinegar)

Pipe Schedule

Pipe Material

Stainless Steel

Pressure Class

Connects To

Flange Material

Stainless Steel

Length

Maximum Pressure @ Temperature

110 psi @ -350° F

200 psi @ -350° F

1,800 psi @ 0° F

2,000 psi @ 50° F

150 psi @ 65° F

14.5 psi @ 70° F

15 psi @ 70° F

25 psi @ 70° F

30 psi @ 70° F

40 psi @ 70° F

50 psi @ 70° F

60 psi @ 70° F

85 psi @ 70° F

90 psi @ 70° F

95 psi @ 70° F

100 psi @ 70° F

Threading

Threaded on Both Ends

Threaded on One End

Fitting Material

Stainless Steel

Body Shape

Round with Lugs

For Flange Class

Tube OD

Specifications Met

ANSI LC 4/CSA 6.32

ANSI/FCI Standard

British Standard

Federal Specification

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

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27,736 Products

Fluid Handling

Pipe and Pipe Fittings

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

14,366 products

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

Hose Nozzle Swivels

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

Junction Blocks

Junction Blocks

Organize and separate multiple lines in a pipe system; air and fluid flow through the threaded holes

Air Chucks

Connect air hose to Schrader valves, which are common on tires and hydraulic systems

On-Off Valves

Start and stop flow through a line

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

Air Valves

Fill tanks, tires, and other pressurized equipment

Valve Union Fittings

Valve Union Fittings

Mating parts join valves to a line for quick connection and removal

Drain Valves

Vent air or discharge liquids to remove excess fluid from your system

Expansion Plugs

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

Pressure Test Fittings

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

Fastening and Joining

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Lubricating

Grease Fitting Adapters

Grease Fitting Adapters

Mate grease fittings when the sizes and thread types don't match

Grease Fittings

Grease Fittings

Create an inlet on equipment and machinery for injecting lubricant; also known as Zerk fittings

Grease Fitting Manifolds

Grease Fitting Manifolds

Lubricate multiple points with the same amount and type of grease using one grease fitting

Grease Fitting Repair Tools

Grease Fitting Repair Tools

Remove and repair broken or clogged grease fittings and re-tap threaded holes

Grease Gun Nozzles

Grease Gun Nozzles

Replace nozzles on grease guns

Grease Gun Tips

Grease Gun Tips

Attach to grease gun nozzles and direct a stream of lubricant into grease fittings on machinery

Grease Gun Tip Adapters

Grease Gun Tip Adapters

Quickly switch between standard, button-head, and flush-style grease fittings

Oil Fittings

Install in engine blocks and other machinery to pour in oil while keeping dust out

Building and Machinery Hardware

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Protective Caps

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

Electrical

Conduit and Conduit Fittings

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

Measuring and Inspecting

Pipe Size Measuring Kits

Pipe Size Measuring Kits

Connect to pipe and fittings to determine their size without additional measuring tools

Facility and Grounds Maintenance

Sink Drain Fittings

Sink Drain Fittings

Connect tailpieces, traps, and extension tubing to drains

Neutralization Tanks

Neutralization Tanks

Treat corrosive chemicals before they drain into sewer systems

Power Transmission

Compressed Air Filter/Regulator/Lubricator Manifolds

Compressed Air Filter/Regulator/Lubricator Manifolds

Distribute compressed air to multiple locations from a single source

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)