National Item Identification Number
01-455-5657
014555657
4820-01-455-5657
4820-01-455-5657
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)
1385623
803-1385623-05X-69
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SPECIAL FEATURES
III END ITEM I
Required Description
NICKEL ALLOY SEAT
ASTMA494 GRADE M-30H ASSN STD SINGLE MATERIAL RESPONSE SEAT;