Model: MS9581-13

Key Washer

Properties:

Hole Diameter
0.438 inches
Outside Diameter
Between 0.450 inches and 0.455 inches
External Prebent Key Length
Between 0.170 inches and 0.175 inches
External Tapered Key Width
Between 0.390 inches and 0.400 inches
External Prebent Key Width
Between 0.170 inches and 0.175 inches
Distance From Centerline To Inside Of Prebent Key
Between 0.415 inches and 0.425 inches
Material Thickness
Between 0.032 inches and 0.040 inches
Angle Between External Keys
Between 58.0 degrees and 62.0 degrees
External Prebent Key Angle
15.0 degrees
Material
Steel comp 321
Material Specification
Ams 5510 assn standard single material response
Style Designator
90 degree locking key
NSN
5310-01-286-6071
Part Number
MS9581-13
Description
Washer,key
CAGE
96906

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 MS9581-13 NSN 5310-01-286-6071

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:
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:
B

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318220000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Washers other than lock washers, iron or steel

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