National Item Identification Number
00-631-1097
006311097
4820-00-631-1097
4820-00-631-1097
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)
19156
Reference Numbers (Part Numbers)
15298
15298
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
HARDNESS RATI
Required Description
STEEL OVERALL
QQ-S-763,CLASS 440C,COND A FED SPEC SINGLE MATERIAL RESPONSE OVER