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 6145-00-519-2821
NSN 5998-00-411-4949
NSN 6645-01-184-5065
NSN 5835-01-089-7615
NSN 6650-01-541-0506
NSN 5855-00-483-0020
NSN 6105-01-485-8108
NSN 6320-01-607-1491
NSN 5950-01-038-9709
NSN 5895-00-163-9608
NSN 5905-00-912-5433
NSN 6105-00-771-6136