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 5998-01-037-3378
NSN 6610-00-977-6536
NSN 5915-01-302-4285
NSN 5965-01-533-2672
NSN 5945-01-141-7017
NSN 7035-01-579-7228
NSN 6145-01-089-9230
NSN 6105-01-476-8040
NSN 4140-01-283-2287
NSN 6620-00-601-3885
NSN 6645-01-214-6309
NSN 6105-01-524-6854