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Concave Washer

Model M163861

Quick Information about M163861

20.4 millimeters hole diameter, 40.0 millimeters outside diameter, 3.45 millimeters material thickness, 1740-01-632-9476 iii end item identification

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Product Details

  • NSN:
    5310-01-650-9033 (5310016509033)
  • Hole Diameter:
    20.4 millimeters
  • Recess Depth:
    2.5 millimeters
  • Material Thickness:
    3.45 millimeters
  • End Application:
    1740-01-632-9476
  • Color:
    Black
  • Style Designator:
    Concave
  • Schedule B Code:
    7616108000

Classification

Cotters, cotter-pins, washers and similar articles, of aluminum

Definition Concave Washer

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also washer (1), convex. Excludes washer (1), recessed and bearing, washer, thrust.

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15930
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:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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