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Flat Washer NSN 5310-00-937-8879

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 5310-00-937-8879 NSN: 5310-00-937-8879

Features and Characteristics

Cross Sectional Shape
Rectangular
Hole Diameter
Between 0.127 inches and 0.133 inches
Edge Shape
Round
Center Hole Shape
1 round
Thickness
Between 0.0095 inches and 0.0115 inches
Overall Diameter
Between 0.227 inches and 0.233 inches
Hardness Rating
41.0 rockwell c
Heat Treatment
As fabricated
Material
Steel comp 631
Material Specification
Ams 5529 assn standard single material response
Surface Treatment
Oxide film
FSC
5310 Nuts And Washers
NIIN
009378879
NSN
5310009378879

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
84353-010
Cage Code:
11599
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318220000
  • NAICS: 332722
  • SITC: 69422
  • Description: Washers other than lock washers, iron or steel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-937-8879
What are the manufacturers of nsn 5310009378879?
Does this nsn 5310009378879 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310009378879
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 5310009378879 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310009378879 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310009378879?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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