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 6135-00-477-8847
NSN 5945-01-092-1816
NSN 5835-01-071-6376
NSN 5965-01-485-0940
NSN 5996-00-937-3813
NSN 6220-01-190-8605
NSN 2925-01-039-6856
NSN 5998-01-055-0425
NSN 5950-01-547-6927
NSN 5999-01-364-5844
NSN 5975-01-523-2108
NSN 5950-00-203-2368