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Flat Washer NSN 5310-00-877-5973

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 5310-00-877-5973 NSN: 5310-00-877-5973

  Stock Availability

NSN 5310008775973 availability
(as of 02/22/2021).

  • NE: 4036
  • NS: 1019
  • AR: 1

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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Major End Items End items to which 5310-00-877-5973 is a component of

  • N/A Cargo Carrier
  • N/A Tracked Ammunition Carrier
  • N/A Armored Dozer-scraper Combination Full Tracked Tractor

Features and Characteristics

Cross Sectional Shape
Rectangular
Hole Diameter
0.343 inches
Edge Shape
Round
Center Hole Shape
1 round
Thickness
0.104 inches
Overall Diameter
0.625 inches
Hardness Rating
Between 33.0 rockwell c and 38.0 rockwell c
Material
Steel comp 4140 or steel comp 8640 or steel comp 8740
Material Specification
Qq-s-624 federal specification all material responses
Surface Treatment
Cadmium and chromate
FSC
5310 Nuts And Washers
NIIN
008775973
NSN
5310008775973

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
10910174-2
Cage Code:
19200
Status:
A
MSDS:
Part Number:
10082633
Cage Code:
A486G
Status:
A
MSDS:
Part Number:
5310008775973
Cage Code:
SCY13
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 5310-00-877-5973
What are the manufacturers of nsn 5310008775973?
Does this nsn 5310008775973 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310008775973
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 5310008775973 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310008775973 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310008775973?
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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