Model: MS21258Z20

Key Washer

Properties:

Hole Diameter
Between 1.255 inches and 1.265 inches
Outside Diameter
Between 1.750 inches and 1.780 inches
Internal Straight Key Width
Between 0.146 inches and 0.166 inches
Distance From Centerline To Top Of Internal Key
Between 0.541 inches and 0.551 inches
Internal Key Quantity
1
Material Thickness
Between 0.120 inches and 0.130 inches
Material
Steel comp 1018 or steel comp 1020 or steel comp 1025
Material Specification
Astm a108 assn standard all material responses
Surface Treatment
Zinc and chromate
Surface Treatment Specification
Astm b633, type 2 assn standard single treatment response
Style Designator
Key
NSN
5310-00-849-8351
Part Number
MS21258Z20
Description
Washer,key
CAGE
80205

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 MS21258Z20 NSN 5310-00-849-8351

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:
SX
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:

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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