Retaining Ring Bspp

Description & Features

This steel component is a BSPP Retaining Ring designed for use with Adaptall fittings.

It has a channel width of 15.5mm and a length of 1.2mm. This retaining ring is designed for a G 1/8 - 28 connection with a size of 1/8".

SKU: RR-02

Supplier Part Number (MPN): RR-02

Brand adapt-all	Finish Zinc-Plated	Inside Diameter 0.12 in	Material Steel	Series RR Series	Side 1 Type BSPP	Thread Size 1/8-28

Question by: Hank P on May 14, 2025, 3:11 PM

What size Adaptall fitting does this retaining ring work with? Just need to make sure it's the right one for my setup.

Answer by: Customer Support on May 16, 2025, 9:02 AM

Specifically, this retaining ring is designed for a G 1/8 - 28 connection with a size of 1/8".

Question by: Wade S on Jan 24, 2026, 7:26 AM

trying to replace a little retaining ring on an Adaptall fitting, is this the one for G 1/8 - 28 or am i off?

Answer by: Customer Support on Jan 26, 2026, 6:25 AM

The key callout on this ring is G 1/8 - 28 with a 1/8 inch size, and it is a BSPP retaining ring made for use with Adaptall fittings.

Question by: Ray R on Nov 29, 2025, 3:49 PM

what size connection does this retaining ring fit? need to make sure before i order

Answer by: Customer Support on Nov 30, 2025, 6:19 PM

Built for a G 1/8 - 28 connection, which is a 1/8" BSPP thread size. If that matches what you've got on your Adaptall fitting, you're good to go.