Metric Copper Sealing Washers

d Diameter 20mm	Adaptall Material Steel	S Misc 1.4mm	Adaptall Shape Component	Side 1 Callout M14 X 1.5	Side 1 Gender -	Side 1 Size 14mm	Side 1 Type Metric	Alternate Part Numbers Alternate Part Number MI-07507516, Alternate Part Number MINO-03671X00256	Brand Adaptall America	Brand Adaptall	Pack Size 1.00	UOM EA	Supplier Part Number 3500-14MM	Product Weight 0.01 lbs

Product Questions & Answers

got an M14 x 1.5 fitting, are these the right sealing washers for it?

Question by: Merle R on Mar 11, 2026, 11:08 AM

For an M14 x 1.5 metric size, these are made to match that callout and are listed with a 20 mm diameter and 1.4 mm thickness for the seal.

Answer by: Customer Support on Mar 12, 2026, 7:36 PM