National Item Identification Number
01-421-8093
014218093
4820-01-421-8093
4820-01-421-8093
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)
53711
53711
53711
53711
53711
53711
Reference Numbers (Part Numbers)
6397434
803-6397434 ITEM 23
803-6397434-X43XXX-023
803-6397434-X44XXX-023
80
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SPECIAL FEATURES
III END ITEM I
Required Description
COBALT ALLOY SEAT
MIL-C-24252, COMP 1, COND 1 MIL SPEC SINGLE MATERIAL RESPONSE