Model: 12W9877-7

Shouldered Washer

Properties:

Hole Diameter
Between 0.200 inches and 0.220 inches
Shoulder Diameter
Between 0.300 inches and 0.320 inches
Outside Diameter
Between 0.428 inches and 0.448 inches
Shoulder Height
Between 0.050 inches and 0.070 inches
Material Thickness
Between 0.050 inches and 0.070 inches
Material
Steel comp 630
Material Specification
Qq-s-627 federal specification single material response
Style Designator
Shouldered
NSN
5310-00-369-0457
Part Number
12W9877-7
Description
Washer,shouldered
CAGE
81755

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

Part 12W9877-7 NSN 5310-00-369-0457

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15934
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

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:
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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