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Polyethylene -06 JIC (9/16-18) Protective Threaded Plug for Flared Fittings

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Description & Features

Constructed from high-quality polyethylene, this threaded plug is designed to protect flared fittings in various industrial applications. The -06 JIC size and 9/16-18 thread make it a reliable choice for safeguarding connections from contaminants and damage.

ESSENTRA Plastics ensures durability and resilience in challenging environments. The plug fits securely and is easy to install and remove, offering efficient protective closure solutions for industries requiring robust sealing and protection.

MPN: C1EJ77

Supplier Part Number: T5A

Specifications

Brand
ESSENTRA COMPONENTS
Color
Red
Material
LDPE
Suitable For Use With
#6 37 deg JIC Flared Fittings
Thread Sealant
Without Thread Sealant
Thread Size
9/16-18

Product Questions & Answers (4)

Question by: Duane P on Oct 11, 2025, 7:08 AM
Need to cap off some 3/8 inch JIC fittings to keep the dust out. are these the right plugs for that thread
Answer by: Customer Support on Oct 12, 2025, 9:02 PM
Standard -06 JIC connections use a 9/16-18 thread, making these an exact match for your 3/8 inch flared fittings. Polyethylene closures like these work perfectly to protect your equipment.
Question by: Kurt W on Feb 28, 2026, 5:55 PM
got a -06 JIC flare fitting sitting on the bench, is this the right plug for it?
Answer by: Customer Support on Mar 2, 2026, 6:55 AM
For a -06 JIC flared fitting, the match you want is a 9/16-18 threaded plug, and that is exactly what this protective closure is sized for.
Question by: Vince R on May 12, 2025, 1:51 PM
Will these plugs hold up outside? I need something that can handle some weather.
Answer by: Customer Support on May 13, 2025, 2:58 PM
These polyethylene plugs from Essentra Plastics are made for industrial applications where durability matters. They should offer reliable protection for your flared fittings even when exposed to the elements.
Question by: Troy H on Apr 24, 2025, 6:11 PM
what thread size is this plug, and will it fit a standard -06 JIC flared fitting?
Answer by: Customer Support on Apr 26, 2025, 4:29 PM
The thread on this plug is 9/16-18, which matches the -06 JIC flared fitting standard. It's made to seat securely in that fitting and keep contaminants out while the connection isn't in use. Polyethylene gives it enough flexibility to install and pull off without much fuss, so swapping it in and out during maintenance or storage is straightforward.

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