Model: 7439286P0003

Lock Washer

Properties:

Hole Diameter
Between 0.314 inches and 0.320 inches
Outside Diameter
Between 0.425 inches and 0.435 inches
Material Thickness
Between 0.020 inches and 0.022 inches
Material
Steel comp 1050
Material Specification
Qq-s-634.Cond cd federal specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416 type ii class 3 federal specification single treatment response
Style Designator
Flat internal teeth
NSN
5310-01-088-8956
Part Number
7439286P0003
Description
Washer,lock
CAGE
99971

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part 7439286P0003 NSN 5310-01-088-8956

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
14218
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:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 7318210000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Spring washers and other lock washers, iron or steel

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