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 6650-00-143-1889
NSN 5985-01-184-6927
NSN 5960-00-132-3104
NSN 6130-01-412-1320
NSN 6610-01-105-0399
NSN 6645-00-569-1759
NSN 5910-00-203-5856
NSN 6320-01-255-2096
NSN 5910-00-080-5845
NSN 6240-01-452-7006
NSN 5960-00-453-7846
NSN 4140-01-287-5429