Skip to the beginning of the images gallery

Polyethylene 1/4 NPT Protective Tear Cap For Pipe Threads

Description & Features

This polyethylene protective tear cap provides reliable protection for 1/4 NPT pipe threads. Featuring a 1/4 NPT size, this cap ensures a secure fit.

The Polyethylene 1/4 NPT Protective Tear Cap For Pipe Threads, catalog number C1EJ91, is part of Essentra Plastics' Protective Closures line. This cap safeguards threads from damage and contamination.

SKU: Y-1/4

Supplier Part Number (MPN): Y-1/4

Alternate Part Numbers: C1EJ91, MI-08753066, MINO-02310X93325

Specifications

Brand ESSENTRA COMPONENTS	Color Blue	Material LDPE	Suitable For Use With 1/4 in NPT Threaded Pipes	Thread Sealant Without Thread Sealant

Product Questions & Answers (3)

Question by: Chad M on Feb 10, 2026, 4:31 PM

got a bunch of bare 1/4 npt threads sitting around getting dusty. these just go over the end and tear off when you need the pipe right

Answer by: Customer Support on Feb 12, 2026, 2:15 PM

Pushing these protective closures over 1/4 NPT pipe threads keeps dirt out until you are ready to use the fitting. The polyethylene tear cap style allows for quick removal by pulling the plastic apart when it is time to connect the line.

Question by: Hugh M on Apr 30, 2025, 7:52 PM

got a 1/4 npt port i’m trying to keep clean in the shop. is this cap the right size?

Answer by: Customer Support on May 2, 2025, 6:29 AM

For a 1/4 NPT pipe thread, this protective tear cap is the matching size. It is made to cover 1/4 NPT pipe threads to help keep the threads protected.

Question by: Cheryl F on Nov 15, 2025, 7:23 AM

these come off clean or do they leave residue on the threads when you pull em?

Answer by: Customer Support on Nov 17, 2025, 6:35 AM

Polyethylene caps like these are made to pull away without leaving behind adhesive or residue. The tear-off design means you're not fighting with a tool or worrying about contamination on your pipe threads before assembly. Clean removal is the whole point of using a cap like this over tape or a plug.