Id thd 0.500-20 unf 2b
A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.
Classification: Parts of taps, cocks, valves and similar appliances, nesoi
NSN 5999-01-512-9178
NSN 5855-01-062-3126
NSN 5835-00-494-8419
NSN 5920-00-819-8577
NSN 6220-01-237-2488
NSN 5985-01-361-8982
NSN 5895-01-303-7499
NSN 5960-01-462-7704
NSN 6110-01-518-5732
NSN 6110-01-304-2546
NSN 2925-01-316-0725
NSN 5985-00-270-8456