Model: NAS1401-9D3

Flat Washer

Special Features:

Radius one side of one end 0.090 in., radius all corners 0.060 in.

Properties:

Cross Sectional Shape
Rectangular
Hole Diameter
Between 0.568 inches and 0.588 inches
Edge Shape
Square
Center Hole Shape
1 round
Thickness
0.090 inches
Width Across Flats
Between 1.010 inches and 1.070 inches
Material
Aluminum alloy 2024
Material Specification
Qq-a-200/3 t4 federal specification 1st material response or qq-a-250/4 t3, t4, t351 federal specification 2nd material response or qq-a-250/5 t3, t4, t351 federal specification 3rd material response
Surface Treatment
Anodize or chromate
Surface Treatment Specification
Mil-a-8625 military specification 1st treatment response or mil-c-5541 military specification 2nd treatment response
Specification Data
80205-nas1401 professional/industrial association standard
NSN
5310-01-475-3425
Part Number
NAS1401-9D3
Description
Washer,flat
CAGE

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 NAS1401-9D3 NSN 5310-01-475-3425

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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