Model: 7053F71

Lock Washer

Properties:

Hole Diameter
Between 0.255 inches and 0.263 inches
Outside Diameter
0.489 inches
Material Thickness
Between 0.062 inches and 0.072 inches
Min. Tensile Strength (psi)
77000 pounds per square inch
Material
Aluminum alloy 7075
Material Specification
Qq-a-200/11 federal specification single material response
Style Designator
Split helical-right hand
Test Data Document
81348-ffw84 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Nondefinitive Specification/std Data
D class and 2 style
NSN
5310-00-904-1243
Part Number
7053F71
Description
Washer,lock
CAGE
39428

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 7053F71 NSN 5310-00-904-1243

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

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Schedule B and Export
  • Schedule B: 7616108000
  • SITC: 69440
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Cotters, cotter-pins, washers and similar articles, of aluminum

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