Model: 1881B153

Key Washer

Special Features:

6 keyways equally spaced on outeredge 0.440 in. Wide, 0.350 in. Deep

Properties:

Hole Diameter
4.150 inches
Outside Diameter
5.000 inches
Internal Straight Key Width
Between 0.366 inches and 0.372 inches
Distance From Centerline To Top Of Internal Key
Between 1.865 inches and 1.870 inches
Internal Key Quantity
2
Material Thickness
0.562 inches
Surface Finish
125.0 microinches all surfaces
Material
Steel comp 4340
Material Specification
Mil-s-8844, class 1 military specification single material response
Surface Treatment
Cadmium and chromium
Surface Treatment Specification
Qq-p-416, type 2, class 1 federal specification 1st treatment response and qq-c-320, class 2 federal specification 2nd treatment response
Style Designator
Key
NSN
5310-01-187-3921
Part Number
1881B153
Description
Washer,key
CAGE
13002

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 1881B153 NSN 5310-01-187-3921

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:
LE
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:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
50.0
WCC:
713
TCC:
Z
SHC:
Z
ACC:
Trailers/Vehicles

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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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