20A74020

Helical Compression Spring Seat

NSN 5340-00-071-5971

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
000715971

Product Technical Spec.

Counterbore Diameter:
Between 0.8140 inches and 0.8200 inches
Overall Height:
Between 0.1500 inches and 0.1700 inches
First Step Diameter:
Between 1.1800 inches and 1.1850 inches
First Step Length:
0.0350 inches
Bore Diameter:
Between 0.3670 inches and 0.3730 inches
Material Hardness Rating:
Between 26.0 rockwell c and 32.0 rockwell c
Second End Diameter:
Between 0.8570 inches and 0.8630 inches
End Diameter:
Between 0.8650 inches and 0.8850 inches
Distance From End To First Step:
Between 0.0550 inches and 0.0650 inches
Counterbore Length:
0.0650 inches
Material:
Steel
Material:
Steel
Style Designator:
Seat
Fsc Application Data:
Fuel control, engine, aircraft
NSN:
5340-00-071-5971
Item Name:
Retainer,valve Spring
Cage Code:
11599

Cross Referenced Parts

No other part numbers with same form, fit, and function found.

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
095190
UFC:
49790
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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:
PORTUGAL Portugal
DSOR:

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