National Item Identification Number
00-857-5285
008575285
4810-00-857-5285
4810-00-857-5285
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)
77445
Reference Numbers (Part Numbers)
571408
Required Categories
MATERIAL
HARDNESS RATING
SEATING SURFACE SHAPE
SEAT ANGLE IN DEG
III FSC APP
Required Description
STEEL OVERALL
NOT RATED
ANGULAR
25.000 NOMINAL
VALVE,OIL PRESSURE,JET ENGINE