STAM178A5

Spring Tension Washer

NSN 5310-01-030-4921

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
010304921

Product Features

One tab 0.200 in.W on each side of center hole

Product Technical Spec.

Hole Diameter:
2.870 inches
Outside Diameter:
3.330 inches
Overall Height:
0.307 inches
Material Thickness:
0.025 inches
Material:
Copper alloy 172
Material Specification:
Qq-c-533, tat federal specification single material response
Surface Treatment:
Tin
Surface Treatment Specification:
Mil-t-10727 military specification single treatment response
Style Designator:
Spring tension
NSN:
5310-01-030-4921
Item Name:
Spring,loading,ball Bearing
Cage Code:
89295

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
ST4M178A5
Cage Code:
52814
RNCC:
3
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
ST4M178A5
Cage Code:
76301
RNCC:
7
RNVC:
2
RNAAC:
KZ
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15938
FIIG:
A022B0
Concept No.:
1
App. Key:
A
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:
N
PMIC:
A
ESD:
ESD:
MMAC:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
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:
194120
UFC:
95100
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Ball Bearing Loading Spring"

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE AIR FORCE Dept. of the Air Force
DSOR:
User:
SINGAPORE Singapore
DSOR:
User:
REPUBLIC OF KOREA Republic of Korea
DSOR:
Import / Export
  • Schedule B: 7415210000
  • SITC: 69432
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Classification: Copper washers including spring washers not threaded


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