Model: 4M64CR4

Spring Tension Washer

Properties:

Hole Diameter
Between 0.251 inches and 0.257 inches
Outside Diameter
Between 0.490 inches and 0.510 inches
Overall Height
Between 0.087 inches and 0.107 inches
Material Thickness
0.010 inches
Hardness Rating
Between 39.0 rockwell c and 45.0 rockwell c
Color
Olive drab
Material
Steel comp 302 or steel comp 631
Material Specification
Mil-s-25043 military specification single material response
Surface Treatment
Passivate
Style Designator
Spring tension
NSN
5310-01-424-8493
Part Number
4M64CR4
Description
Washer,spring Tension
CAGE
86928

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

Part 4M64CR4 NSN 5310-01-424-8493

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:
A
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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318210000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Spring washers and other lock washers, iron or steel

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