Silicone Caps | McMaster-Carr

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Export Control Classification Number (ECCN)

2B999

5A991

EAR99

DFARS Specialty Metals

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437 Products

Building and Machinery Hardware

Protective Caps

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

67 products

Protective Plugs

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

162 products

Hand Grips

Cover handles so they're more comfortable and secure to hold

6 products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

2 products

Fluid Handling

Tube Fittings

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

79 products

Hose and Hose Fittings

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

27 products

Sights

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

6 products

Breather Vents

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

5 products

Electrical Power, Networking, and Controlling

Electrical Enclosure Plugs

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

1 product

Electrical Enclosure Drain Vents

Prevent moisture from getting trapped inside enclosures while letting air flow through

2 products

Data Port Plugs

Keep dust, debris, and moisture out of unused computer ports

2 products

Wire Connectors

Join two or more wires for a secure connection

9 products

D-Sub Connectors

Plugs, sockets, receptacles, and adapters for connecting computers, monitors, and printers

8 products

Han Connectors

Plugs and sockets to make Han connections

2 products

Power Receptacles

Install in a wall or panel to transmit power to plugs or sockets

10 products

Metric Circular Cords

Send power and signal to equipment with metric connections

5 products

Fastening and Joining

Cap Nuts

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

5 products

Threaded Inserts

Create new threads or repair stripped threads

1 product

Fabricating and Machining

Tweezer Tip Caps

Protect tweezer tips from damage

1 product

Safety Equipment

Earplugs

Protect your hearing in loud environments without the bulk of earmuffs

12 products