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 6620-00-441-5252
NSN 5999-00-149-0624
NSN 5920-01-060-9302
NSN 5985-01-565-1181
NSN 6130-00-898-4303
NSN 5910-00-089-8180
NSN 6620-00-292-7000
NSN 4140-00-517-7902
NSN 5895-01-338-2699
NSN 5996-00-764-8563
NSN 5905-01-304-6040
NSN 5965-01-623-7242