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Flat Washer NSN 5310-01-042-8391

Item Description

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.

NSN 5310-01-042-8391 NSN: 5310-01-042-8391

  Stock Availability

NSN 5310010428391 availability
(as of 01/11/2023).

  • NS: 13
  • NE: 19

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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  •   On Time Delivery
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Features and Characteristics

Cross Sectional Shape
Rectangular
Hole Diameter
0.265 inches
Edge Shape
Round
Center Hole Shape
1 round
Thickness
0.064 inches
Overall Diameter
0.750 inches
End Application
Family of hemtt vehicles (heavy expanded mobility tactical trucks); 2320-01-304-2277 and 2320-01-304-2278 pls (palletized loading system); mrap - rg-33; rg-31 mrap
Material
Copper alloy
Material Specification
Qq-b-613, comp 1, 1/2 hard temper federal specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, class 3, type ii federal specification single treatment response
Supplementary Features
This is a nickel plated copper washer and does not contain any asbestos
FSC
5310 Nuts And Washers
NIIN
010428391
NSN
5310010428391

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
N9466
Cage Code:
76761
Status:
A
MSDS:
Part Number:
500-1114-003
Cage Code:
13499
Status:
A
MSDS:
Part Number:
8HR821
Cage Code:
45152
Status:
A
MSDS:
Part Number:
5310PL0710723
Cage Code:
9009H
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8710000090
  • NAICS: 336992
  • SITC: 89111
  • Description: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
  • End Use (Code 50030):
    Military trucks, armored vehicles, etc.

Q & A

Frequently asked questions for NSN 5310-01-042-8391
What are the manufacturers of nsn 5310010428391?
Does this nsn 5310010428391 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010428391
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.
Does nsn 5310010428391 contain any precious metals?
No precious metal content.
Does nsn 5310010428391 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010428391?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
13393
FIIG:
A022B0
App. Key:
B
Cond. Code:
1
Status:
A

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