National Item Identification Number

00-890-1877
008901877
4820-00-890-1877
4820-00-890-1877

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)

6873YA

Required Categories

STYLE DESIGNATOR
OVERALL HEIGHT
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER
M

Required Description

B6 PLAIN
0.281 INCHES NOMINAL
2.006 INCHES MINIMUM AND
2.012 INCHES MAXIMUM;