National Item Identification Number

00-903-4338
009034338
4820-00-903-4338
4820-00-903-4338

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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72957

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72957

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72957

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Reference Numbers (Part Numbers)

8R0003ITEM100
8WW-0067ITEM100
8Z0101PC1

Required Categories

MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HARDNESS RATING
SEATING SURFACE

Required Description

STEEL OVERALL
17-4PH,ARMCO STEEL CORP MFR REF SINGLE MATERIAL RESPONSE OVERALL;