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Flat Washer NSN 5310-00-679-5685

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 5310-00-679-5685 NSN: 5310-00-679-5685

  Stock Availability

NSN 5310006795685 availability
(as of 02/12/2024).

  • NE: 1211
  • OH: 1
  • NS: 622
  • SV: 1
  • 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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Features and Characteristics

Cross Sectional Shape
Rectangular
Hole Diameter
Between 0.510 inches and 0.520 inches
Edge Shape
Round
Center Hole Shape
Round
Thickness
Between 0.050 inches and 0.070 inches
Overall Diameter
Between 0.770 inches and 0.790 inches
Hardness Rating
80.5 rockwell e
Material
Copper alloy
Material Specification
Qq-c-576 federal specification single material response
FSC
5310 Nuts And Washers
NIIN
006795685
NSN
5310006795685

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8744055
Cage Code:
19207
Status:
A
MSDS:
Part Number:
523557
Cage Code:
R1120
Status:
A
MSDS:
Part Number:
5310006795685
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: 7415210000
  • NAICS: 332722
  • SITC: 69432
  • Description: Copper washers including spring washers not threaded
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-679-5685
What are the manufacturers of nsn 5310006795685?
Does this nsn 5310006795685 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310006795685
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 5310006795685 contain any precious metals?
No precious metal content.
Does nsn 5310006795685 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310006795685?
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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