Part Number A21494

Valve Seat

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Part Number

DEMIL

Shelf Life

UOM

NIIN

Part:

a21494

Demil:

Shelf Life:

UOM:

NIIN:

000638820

NSN

National Stock Number:

4820-00-063-8820 4820000638820

TXT

Description:

Valve Seat

INC

Item Name Code:

22113

MRC:

The angle of the end surface upon which the mated surface seats,expressed in degrees.AJSG

Seat Angle In Deg:

90.000

MRC:

The physical configuration of the surface of the seat.CQKM

Seating Surface Shape:

Angular

MRC:

The chemical compound or mechanical mixture properties of which the item is fabricated.MATT

Material:

Copper alloy

Part Number	RNVC	RNAAC	DAC	CAGE
A21494	2	HD	1	89326
21494	9	ZZ	1	89326

Code	Definition
FN	Factory New. Parts manufactured by then OEM and includes manufacturer certification.
NE	New. Parts manufactured by the OEM. May include manufacturer certification or company certification.
NS	New Surplus. New material item purchased from excess inventory.
OH	Overhauled. Product has been rebuilt and tested in accordance with the manufacturer's specifications by a repair shop (MRO).
SV	Serviceable product.
AR	As Removed. Product removed from aircraft or platform with no guarentee on the functionality of the part.
RP	Repairable. Product can be repaired by a MRO and be given a FAA 8130 or EASA Form 1 certification.

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