National Item Identification Number

01-157-6394
011576394
4820-01-157-6394
4820-01-157-6394

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)

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Reference Numbers (Part Numbers)

803-1385541-04X-04

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HARDNESS RATING
SEATING SURFACE

Required Description

NICKEL ALLOY OVERALL
QQ-N-288 COMP B FED SPEC SINGLE MATERIAL RESPONSE OVERALL;