Model: 81221S41-83PC31

Key Washer

Properties:

Hole Diameter
Between 0.678 inches and 0.698 inches
Outside Diameter
1.875 inches
External Prebent Key Length
0.156 inches
External Prebent Key Width
Between 0.865 inches and 0.885 inches
Distance From Centerline To Inside Of Prebent Key
0.781 inches
Overall Distance Including Keys
2.188 inches
External Key Quantity
1
Material Thickness
Between 0.052 inches and 0.072 inches
External Prebent Key Angle
90.0 degrees
Material
Copper alloy
Material Specification
Qq-b-637 federal specification single material response or qq-b-639 federal specification single material response
Style Designator
Key
NSN
5310-00-470-1954
Part Number
81221S41-83PC31
Description
Washer,key
CAGE
80064

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

Part 81221S41-83PC31 NSN 5310-00-470-1954

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01869
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:
U
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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