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Key Washer

Model A51G20121-13

Quick Information about A51G20121-13

0.703 inches minimum and 0.735 inches maximum outside diameter, steel comp 4130 overall material, cadmium overall surface treatment.

For pricing and availability of this key washer submit the price quote form on the right.

Product Details

  • NSN:
    5310-00-003-6542 (5310000036542)
  • Hole Diameter:
    Between 0.470 inches and 0.480 inches
  • External Length:
    Between 0.045 inches and 0.055 inches
  • External Width:
    Between 0.105 inches and 0.115 inches
  • Internal Width:
    Between 0.059 inches and 0.065 inches
  • Distance Key:
    Between 0.193 inches and 0.205 inches
  • Distance Key:
    Between 0.351 inches and 0.367 inches
  • Overall Keys:
    Between 0.738 inches and 0.764 inches
  • Material Thickness:
    0.038 inches
  • Hardness Rating:
    Between 33.0 rockwell c and 37.0 rockwell c
  • Part Agency:
    Navy special project
  • Material Specification:
    Mil-s-18729 military specification single material response
  • Surface Specification:
    Mil-c-8837, type2, class1 military specification single treatment response
  • Style Designator:
    Key
  • Test Document:
    81349-mil-i-6868 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.).
  • Schedule B Code:
    7318220000

Classification

Washers other than lock washers, iron or steel

Definition Key Washer

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 Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01869
FIIG:
A022B0
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Part Materials

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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