A unit of matched items consisting of a circular or cylindrical item, ground for provision to be lapped with the mating seating surface to function as a unit to form a drip tight seal. May include plate, insert, guide, rings, and the like. See also disk, valve and seat, valve.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 6610-01-130-0744
NSN 5998-00-471-9047
NSN 5996-01-414-5167
NSN 7035-01-369-1445
NSN 5985-00-162-5074
NSN 5990-01-328-2385
NSN 4140-01-339-8223
NSN 5905-00-399-0676
NSN 2925-00-059-7991
NSN 5950-01-496-5482
NSN 5945-01-061-7659
NSN 5915-01-526-7227