518 hex tightening
No other part numbers with same form, fit, and function found.
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 5920-00-803-3290
NSN 5905-01-481-3661
NSN 5998-00-484-9439
NSN 5925-01-025-7008
NSN 5960-01-462-6267
NSN 6110-01-442-6665
NSN 7035-01-026-1171
NSN 5910-00-930-2934
NSN 5965-00-119-6207
NSN 5920-01-029-4538
NSN 5996-01-297-7671
NSN 7035-01-426-4133