5310-00-285-8470

Find complete technical information, availability, and procurement data for: 5310-00-285-8470
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-285-8470

Item Name Code

15935

Assigment Date

01/01/1963 (63 years ago)

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. Excludes:insulator, washer and thrust type washers.

0.248 inches minimum and 0.251 inches maximum material thickness, 3.150 inches minimum and 3.152 inches maximum hole diameter, 0.201 inches minimum and 0.202 inches maximum shoulder height, 3.515 inches minimum and 3.525 inches maximum shoulder diameter, 3.868 inches minimum and 3.873 inches maximum outside diameter

Product Characteristics

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

Hole Diameter: 3.150 inches minimum and 3.152 inches maximum
Shoulder Diameter: 3.515 inches minimum and 3.525 inches maximum
Outside Diameter: 3.868 inches minimum and 3.873 inches maximum
Shoulder Height: 0.201 inches minimum and 0.202 inches maximum
Material Thickness: 0.248 inches minimum and 0.251 inches maximum
Recess Angle: 45.0 degrees nominal
Surface Finish: 32.0 microinches bottom
Surface Finish: 32.0 microinches inner
Surface Finish: 32.0 microinches top
Surface Finish: 8.0 microinches shoulder face
Style Designator: shouldered and recessed

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2840-00-310-5606	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
221289N16	Shouldered and Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-285-8470?

The FSCG of the NSN 5310-00-285-8470 is 5310

Does the NSN 5310-00-285-8470 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-00-285-8470 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 5310-00-285-8470 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-285-8470 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 5310-00-285-8470 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963