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 5920-00-256-3159
NSN 5895-01-369-5611
NSN 5965-01-414-6414
NSN 6320-01-029-4220
NSN 5950-01-153-2650
NSN 6220-00-155-4524
NSN 7035-01-339-3665
NSN 5985-00-104-8289
NSN 4140-01-455-8348
NSN 5915-00-419-6332
NSN 5930-01-616-0610
NSN 5920-01-171-5427