Mk1, megastream, 1.50/2 inch. Valve. Hardness 37 hrc min. The manufacturer calls this item a seat ring.
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 4140-01-295-8264
NSN 5990-01-287-9447
NSN 2925-00-035-5633
NSN 5998-01-286-6994
NSN 5905-01-313-2343
NSN 5935-00-353-3293
NSN 5965-00-060-0090
NSN 5935-01-545-1621
NSN 5855-01-327-2681
NSN 7035-01-344-8708
NSN 5998-00-479-2251
NSN 5945-00-401-5430