APR3-21

Helical Compression Spring Seat

NSN 5340-00-444-2037

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

UOM:

NIIN:

004442037

Technical Specifications of NSN

Overall Height:

0.2030 inches

First Step Diameter:

Between 0.5150 inches and 0.5310 inches

Design Type:

Solid

End Diameter:

Between 0.2340 inches and 0.2500 inches

Distance From End To First Step:

0.1560 inches

Spherical Seat Top Radius:

4.1880 inches

Material:

Brass

Material:

Copper alloy

Style Designator:

Seat

NSN:

5340-00-444-2037

Item Name:

Valve,spring Retainer

Cage Code:

18163

Other Related Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

5245650

Cage Code:

19207

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

24328

FIIG:

T319-E

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

095190

UFC:

49790

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Spring Retainer Valve"

A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a retainer, helical compression spring. Excludes washer (1), (as modified); seat, ball socket and holder, spring. See also rotor, engine poppet valve.