3120-00-517-0781

Find complete technical information, availability, and procurement data for: 3120-00-517-0781
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-517-0781

Item Name Code

13211

Assigment Date

01/01/1963 (63 years ago)

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

rectangular cross-sectional shape style, round center hole shape style, 4.0000 inches nominal outside diameter, 0.1830 inches minimum and 0.1850 inches maximum overall thickness, 2.5100 inches minimum and 2.5300 inches maximum 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
Outside Diameter: 4.0000 inches nominal
Center Hole Shape Style: round
Diameter: 2.5100 inches minimum and 2.5300 inches maximum
Overall Thickness: 0.1830 inches minimum and 0.1850 inches maximum
Corner Shape: square all corners
Criticality Code Justification: adum
Surface Finish: 125.0 microinches largest outside diameter
Surface Finish: 125.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches left side
Surface Finish: 63.0 microinches right side
Lubrication Feature: groove flat bearing surface
Material: copper alloy 865 or copper alloy 670 or copper alloy 675 overall
Style Designator: round

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
1015-517-0781	Thrust Washer Bearing
5170781	Thrust Washer Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-517-0781?

The FSCG of the NSN 3120-00-517-0781 is 3120

Does the NSN 3120-00-517-0781 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105008

Does NSN 3120-00-517-0781 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 3120-00-517-0781 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-517-0781 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 3120-00-517-0781 was assigned to the Federal Catalog?

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