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 5835-00-614-0650
NSN 5998-01-524-6656
NSN 5975-01-485-2385
NSN 5855-01-195-2518
NSN 4140-01-259-9260
NSN 6110-00-375-6279
NSN 4140-00-495-8704
NSN 6645-01-205-3869
NSN 5930-01-603-0983
NSN 5975-01-203-0263
NSN 5985-01-600-0160
NSN 5920-01-252-8660