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Flat Washer

Model NASM21299

Quick Information about NASM21299

Steel overall material, cadmium overall surface treatment.

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

Product Details

  • NSN:
    5310-01-466-6146 (5310014666146)
  • Cross Shape:
    Rectangular
  • Hole Diameter:
    Between 1.252 inches and 1.256 inches
  • Edge Shape:
    Round
  • Center Shape:
    1 round
  • Thickness:
    0.062 inches
  • Overall Diameter:
    Between 2.381 inches and 2.391 inches
  • End Application:
    1730-01-268-4715; sot equipment (se), b-2 bomber
  • Hardness Rating:
    Between 39.0 rockwell c and 45.0 rockwell c
  • Material Specification:
    Mil-s-6758 military specification 1st material response or mil-s-18729 military specification 2nd material response
  • Surface Specification:
    Qq-p-416, type ii, class 2 federal specification single treatment response
  • Schedule B Code:
    7318220000

Classification

Washers other than lock washers, iron or steel

Definition Flat Washer

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes disk, valve, graphite impregnated and lubricated items.

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13393
FIIG:
A022B0
Concept No.:
1
App. Key:
B
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:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:

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