National Item Identification Number

01-395-0521
013950521
4820-01-395-0521
4820-01-395-0521

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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53711

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Reference Numbers (Part Numbers)

506-6081706 ITEM 2

Required Categories

STYLE DESIGNATOR
FLANGE DIAMETER
BODY OUTSIDE DIAMETER
BODY INSIDE DIAMETER;

Required Description

B7 PLAIN FLANGED
4.630 INCHES NOMINAL
4.310 INCHES NOMINAL
2.250 INCHES NOMIN