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Bspp Copper Sealing Washers

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Description & Features

These Adaptall BSPP Copper Sealing Washers are constructed of steel, offering reliable sealing in hydraulic applications.

This Component style washer has a D Diameter of 30mm and an S Misc of 1.4mm, and fits a Side 1 Callout of G 5/8 - 14, with a 5/8" Side 1 Size and BSPP Side 1 Type.

SKU: 3500-10

Supplier Part Number (MPN): 3500-10

Specifications

Brand
adapt-all
Material
Copper
s Misc Dimensions
1.4 mm
Series
3500 Series
Side 1 Callout
5/8-14
Size
5/8 in

Product Questions & Answers (1)

Question by: Sheila B on Dec 15, 2025, 5:00 PM
what size port does this washer fit on, and is that a standard thread you'd find on most hydraulic fittings?
Answer by: Customer Support on Dec 16, 2025, 7:24 PM
Sized for a G 5/8 fitting with a 14-thread pitch, this falls under the BSPP standard, which is a parallel thread profile common on hydraulic components sourced from European or British-spec equipment. The outer diameter runs 30mm with a thickness of 1.4mm. It seats between the fitting face and the port to create a reliable seal without relying on thread taper.

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