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 2925-01-500-0730
NSN 5855-00-125-0780
NSN 5935-01-224-5299
NSN 7035-00-631-3782
NSN 6620-01-468-6017
NSN 6150-01-468-1209
NSN 6645-01-008-2720
NSN 5965-01-398-3099
NSN 5990-00-160-1176
NSN 5999-01-236-5808
NSN 5905-00-664-4218
NSN 6105-01-442-4343