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 5895-01-252-8622
NSN 6620-01-322-0018
NSN 5835-01-125-2558
NSN 5855-01-158-2709
NSN 6110-01-475-0371
NSN 5999-00-192-9394
NSN 5985-01-057-5784
NSN 5975-01-308-7020
NSN 5835-01-407-3255
NSN 5945-01-195-3498
NSN 2925-01-142-9043
NSN 6685-01-512-8345