National Item Identification Number

01-446-6289
014466289
4810-01-446-6289
4810-01-446-6289

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)

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98939

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98939

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Reference Numbers (Part Numbers)

441R130
441R130I

Required Categories

OVERALL HEIGHT
BODY OUTSIDE DIAMETER
MATERIAL
MATERIAL DOCUMENT AND CLASSIFIC

Required Description

0.295 INCHES NOMINAL
0.256 INCHES NOMINAL
STEEL COMP 440C SEAT
AMS 5630 (440C