National Item Identification Number

00-574-7570
005747570
4810-00-574-7570
4810-00-574-7570

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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04845

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AUTOMATIC SWITCH CO
DBA ASCO
50 HANOVER RD
FLORHAM PARK
NJ
07932
973-966-2258

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Reference Numbers (Part Numbers)

74-305-3

Required Categories

STYLE DESIGNATOR
FLANGE DIAMETER
FLANGE SEAT TO DISK END HEIGHT
UNDER FLANGE

Required Description

B1A THREADED FLANGED
0.438 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
0.095 INCH