638-00

Helical Compression Spring Seat

NSN 5340-00-384-1024

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
003841024

Product Technical Spec.

Chamfer Angle In Deg:
30.0
Overall Height:
0.5620 inches
First Step Diameter:
Between 1.4275 inches and 1.4375 inches
First Step Length:
0.0940 inches
Second Step Diameter:
1.8120 inches
Bore Diameter:
Between 0.7480 inches and 0.7510 inches
Seat Angle In Deg:
13.0
Second End Diameter:
0.8750 inches
Design Type:
Solid
End Diameter:
0.8120 inches
Bore Taper In Deg:
8.583
Distance From End To First Step:
0.2810 inches
Features Provided:
Casehardened
Material:
Steel, aisi 81112 or steel, sae 1112
Material:
Steel, aisi 81112 or steel, sae 1112
Fsc Application Data:
1. Valve assemblies, gasoline engine, except aircraft prime moving and starting engine types
NSN:
5340-00-384-1024
Item Name:
Retainer,valve Spring
Cage Code:
64104

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
1A63800
Cage Code:
23382
RNCC:
5
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
3H1926-1R21
Cage Code:
80063
RNCC:
5
RNVC:
2
RNAAC:
XX
Status:
A
MSDS:
SADC:
Part Number:
05-51584
Cage Code:
63734
RNCC:
5
RNVC:
9
RNAAC:
XX
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
24328
FIIG:
T319-E
Concept No.:
App. Key:
EA
Cond. Code:
1
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Pricing & Availability

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Privacy | Terms

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.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE NAVY Dept. of the Navy
DSOR:
User:
GERMANY Germany
DSOR:
User:
GREECE Greece
DSOR:

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