W/2 standard wrench notches on the id
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 5855-00-304-7163
NSN 5975-00-949-1729
NSN 2925-00-433-5429
NSN 2925-01-440-9912
NSN 6610-01-168-7943
NSN 6610-01-259-5296
NSN 6650-00-118-5600
NSN 6685-01-536-9441
NSN 5930-01-199-4072
NSN 6220-00-283-9791
NSN 6105-00-497-0149
NSN 5935-01-316-5934