Brass Caps | McMaster-Carr

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Chicago Fire Department

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1,459 Products

Fluid Handling

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

67 products

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

266 products

Pipe Flanges

Create an access point in a line by bolting two same-size flanges together with a gasket

21 products

Tube End Caps

Cover the ends of tube to keep out dirt and debris

56 products

Tube End Plugs

Insert into the ends of tube to keep out dirt and debris

18 products

Tube Fittings

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

85 products

Hose End Caps

Cover the ends of hose to keep out dirt and debris

18 products

Hose Fittings

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

448 products

Hose

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

48 products

Sights

Observe and monitor the contents of pipes, tanks, and other containers

63 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

9 products

Air Vent Valves

Eliminate air pockets from fluid lines to maintain consistent flow and prevent surges

14 products

Breather Vents

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

8 products

Heat Exchanger Plugs

Plug leaky internal tubes in heat exchangers

17 products

Electrical

Electrical Enclosure Plugs

Block or seal holes in outlet boxes and enclosures to keep out debris, dust, and moisture

10 products

Safety Equipment

Fire Hydrant Caps

Pair with a hook-style spanner wrench to quickly cover and uncover fire hydrants

3 products

Fire Hydrant Plugs

Pair with a hook-style spanner wrench to quickly seal fire hydrants and washdown equipment

3 products

Fastening and Joining

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

58 products

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

1 product

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

22 products

Lubricating

Grease Fitting Adapters

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

12 products

Grease Fitting Junction Blocks

Send different types and amounts of grease from multiple grease fittings to lubricate several points

2 products

Grease Fittings

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

29 products

Material Handling

Valve Stem Caps

Keep dust and debris out of tire valves

1 product

Heating, Ventilation, and Air Conditioning

Air Conditioner Service Valves

Tap into refrigerant lines to drain and fill your system

11 products

Containers, Storage, and Furniture

Drum Locks

Secure drum lids and openings to prevent tampering

2 products

Fabricating and Machining

Vise Jaw Liners

Place over vise jaws to protect workpieces from marring

1 product

Facility and Grounds Maintenance

Sink Drains

Empty liquids from sinks into sewer lines

15 products