National Item Identification Number
00-338-6139
003386139
4810-00-338-6139
4810-00-338-6139
National Stock Number
Item Name
SEAT,VALVE
Federal Supply Class
4810
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)
60029
Reference Numbers (Part Numbers)
3167-017
Required Categories
MATERIAL
HARDNESS RATING
SEATING SURFACE SHAPE
SEAT ANGLE IN DEG
THE MANUFAC
Required Description
STEEL OVERALL
55.0 ROCKWELL C MINIMUM AND
59.0 ROCKWELL C MAXIMUM OVERALL
ANG