National Item Identification Number

00-138-8962
001388962
4820-00-138-8962
4820-00-138-8962

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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53154

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PORTLAND VALVE LLC
1 MADISON ST
SOUTH PORTLAND
ME
04106
207-799-1944

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03950

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NAVAL INVENTORY CONTROL POINT
MECHANICSBURG
5450 CARLISLE PIKE
2020
MECHANICSBURG
PA
17055
717-605-3500

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Reference Numbers (Part Numbers)

002-0057-90
002-0057-90Q3

Required Categories

REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CRITICALITY CODE JUSTIFICATION

Required Description

ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALI