942A4

Helical Compression Spring Seat

NSN 5340-00-301-3984

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

12 EA

NIIN:

003013984

Product Technical Spec.

Countersink Angle In Deg:

45.0

Chamfer Angle In Deg:

5.0

Overall Height:

Between 0.6393 inches and 0.6643 inches

First Step Diameter:

Between 1.3100 inches and 1.3200 inches

First Step Length:

Between 0.0800 inches and 0.0900 inches

Second Step Diameter:

1.7500 inches

Bore Diameter:

0.6520 inches

Seat Angle In Deg:

60.0

Material Hardness Rating:

Between 85.5 rockwell superficial 15-n and 87.5 rockwell superficial 15-n

Second End Diameter:

1.5000 inches

Design Type:

Solid

Bore Taper In Deg:

15.0

Distance From End To First Step:

Between 0.4568 inches and 0.4668 inches

Counterbore Length:

0.0625 inches

Features Provided:

Casehardened

Material:

Steel

Material:

Steel

Style Designator:

Seat

NSN:

5340-00-301-3984

Item Name:

Valve Spring Retainer

Cage Code:

56442

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

7521939

Cage Code:

19207

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

913570

Cage Code:

58275

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:

70.0

LCL:

70.0

WCC:

713

TCC:

SHC:

ACC:

Trailers/Vehicles

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Pricing & Availability

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

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.