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5310-00-286-9641

Find complete technical information, availability, and procurement data for: 5310-00-286-9641

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5310-00-286-9641
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-286-9641
Item Name Code
13393
Assigment Date
01/01/1963 (63 years ago)

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.

rectangular peripheral shape style, round center hole shape style, 0.071 inches minimum and 0.079 inches maximum thickness, rectangular cross-sectional shape style, 0.265 inches minimum and 0.275 inches maximum hole diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style
rectangular
Hole Diameter
0.265 inches minimum and 0.275 inches maximum
Peripheral Shape Style
rectangular
Center Hole Shape Style
round
Thickness
0.071 inches minimum and 0.079 inches maximum
Length
0.740 inches minimum and 0.760 inches maximum
Width Across Flats
0.500 inches minimum and 0.510 inches maximum
Hardness Rating
26.0 rockwell c minimum and 32.0 rockwell c maximum
Material
steel overall
Material Document And Classification
ams 6355 assn std single material response overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
ams 2400 assn std single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5310-00-032-9701 No Name Available 01/01/1963

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
6711969 Flat Washer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-286-9641?
The FSCG of the NSN 5310-00-286-9641 is 5310
Does the NSN 5310-00-286-9641 have a Schedule B code assigned?
Yes, the Schedule B code is 7318220000
Does NSN 5310-00-286-9641 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5310-00-286-9641 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-286-9641 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5310-00-286-9641 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

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