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 6145-01-661-1305
NSN 5855-00-688-9954
NSN 6645-00-347-0356
NSN 6645-01-633-1852
NSN 5990-00-959-3312
NSN 5895-01-519-2089
NSN 5915-01-392-6398
NSN 5950-01-050-9114
NSN 5999-01-425-0648
NSN 5950-01-219-8017
NSN 5998-01-203-5020
NSN 5975-01-592-1173