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 5960-00-951-5684
NSN 5960-01-560-8461
NSN 6320-01-615-7202
NSN 6150-01-469-8467
NSN 7035-00-104-7613
NSN 6145-01-643-3338
NSN 6320-01-574-1915
NSN 5920-01-370-4376
NSN 6145-00-833-5236
NSN 6240-01-387-1823
NSN 5905-00-555-1899
NSN 6650-00-469-2218