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 5945-01-119-5402
NSN 6320-01-332-7020
NSN 6145-01-368-9683
NSN 7035-00-763-6180
NSN 7035-01-224-5165
NSN 6135-01-416-3181
NSN 4140-01-486-0495
NSN 2925-01-295-2017
NSN 2925-01-371-6853
NSN 5998-01-050-4939
NSN 5975-01-525-7728
NSN 6105-00-222-6194