Model: 7407418

Lock Washer

Properties:

Hole Diameter
Between 0.317 inches and 0.334 inches
Outside Diameter
Between 0.411 inches and 0.428 inches
Material Thickness
Between 0.073 inches and 0.083 inches
Material
Steel
Material Specification
66 federal standard single material response
Surface Treatment
Zinc
Surface Treatment Specification
Qq-z-325, type 2, cl 2 federal specification single treatment response
Style Designator
Split helical-right hand
NSN
5310-00-740-7418
Part Number
7407418
Description
Washer,lock
CAGE
19207

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 7407418 NSN 5310-00-740-7418

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:
9
ACC:
Construction Materials

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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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