Model: SM-B-374966

Spring Tension Washer

Properties:

Hole Diameter
Between 0.255 inches and 0.265 inches
Outside Diameter
Between 0.495 inches and 0.505 inches
Overall Height
Between 0.070 inches and 0.090 inches
Material Thickness
0.007 inches
Hardness Rating
35.0 rockwell c
Material
Copper alloy 172
Material Specification
Qq-c-533 federal specification single material response
Precious Material And Location
All surfaces silver
Precious Material
Silver
Surface Treatment
Silver and chromate
Surface Treatment Specification
Qq-s-365, grade a federal specification single treatment response
NSN
5310-01-160-2056
Part Number
SM-B-374966
Description
Washer,spring Tension
CAGE

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

Part SM-B-374966 NSN 5310-01-160-2056

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15938
FIIG:
A022B0
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

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

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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Schedule B and Export
  • Schedule B: 7415210000
  • SITC: 69432
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Copper washers including spring washers not threaded

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