National Item Identification Number
01-139-3953
011393953
4820-01-139-3953
4820-01-139-3953
National Stock Number
Item Name
SEAT,VALVE
Federal Supply Class
4820
Description
A replaceable item designed to provide a circular 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.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
NMP-277 PIECE 51
012-500-0002
3329223 PIECE 51
Required Categories
Required Description