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 6130-01-142-6931
NSN 6220-00-484-2536
NSN 6645-01-406-7322
NSN 2925-01-316-7487
NSN 6135-01-510-4663
NSN 5996-01-508-5676
NSN 6650-00-518-5194
NSN 5950-00-972-1312
NSN 5915-01-212-9484
NSN 5985-01-321-3846
NSN 5925-00-081-9135
NSN 6610-01-281-6764