5310-00-285-8480

Find complete technical information, availability, and procurement data for: 5310-00-285-8480
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-285-8480

Item Name Code

15935

Assigment Date

01/01/1961 (65 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.

3.868 inches minimum and 3.873 inches maximum outside diameter, 3.320 inches maximum recess diameter, 0.201 inches minimum and 0.202 inches maximum shoulder height, 3.515 inches minimum and 3.525 inches maximum shoulder diameter, 3.150 inches minimum and 3.152 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.

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
Recess Diameter: 3.320 inches maximum
Shoulder Height: 0.201 inches minimum and 0.202 inches maximum
Material Thickness: 0.148 inches minimum and 0.151 inches maximum
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Recess Angle: 90.0 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
Material: steel comp 8740 overall
Material Document And Classification: ams 6322 assn std single material response overall
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Below is a list of NSNs that have been officially superseded by this NSN: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
2840-00-310-5611	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
221289N6	Shouldered and Recessed Washer

FAQs

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

What is the FSCG of the NSN 5310-00-285-8480?

The FSCG of the NSN 5310-00-285-8480 is 5310

Does the NSN 5310-00-285-8480 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-00-285-8480 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 5310-00-285-8480 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-285-8480 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 5310-00-285-8480 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961