Part Number 42974

Valve Seat

Pricing & Availability

Submit this form for current pricing and availability of this NSN.

Part Number

DEMIL

Shelf Life

UOM

NIIN

Part:

42974

Demil:

Shelf Life:

UOM:

NIIN:

003992877

Part Information
W/two wrenching lugs on top of seat 180 degrees apart

NSN

National Stock Number:

4820-00-399-2877 4820003992877

TXT

Description:

Valve Seat

INC

Item Name Code:

22113

MRC:

A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD

Thread Class:

2a single threaded portion

MRC:

A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.AASA

Err Default:

0.312 inches single threaded portion

MRC:

The length of a straight line which passes through the center of a flange,and terminates at the circumference.ABKK

Flange Diameter:

1.878 inches

MRC:

The length of a straight line which passes through the center of a body,and terminates at the inside circumference.ADAS

Body Inside Diameter:

0.960 inches

MRC:

None.AJRF

Flange Seat To Disk End Height:

0.170 inches

MRC:

None.AJRM

Under Flange Height:

0.375 inches

MRC:

A designation that is used for the purpose of general identification of the thread.CQJX

Thread Size:

1.625 inches single threaded portion

MRC:

The physical configuration of the surface of the seat.CQKM

Seating Surface Shape:

Flat

MRC:

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

Material:

Stainless steel

MRC:

The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL

Style Designator:

Threaded flanged

MRC:

A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.THSD

Thread Series Designator:

Unef single threaded portion

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.

Part Number 42974

Pricing & Availability

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