3120-00-880-5143

Find complete technical information, availability, and procurement data for: 3120-00-880-5143
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-880-5143

Item Name Code

13205

Assigment Date

01/01/1960 (66 years ago)

An item designed to be mounted around the extended hub portion of a gear, wheel, or the like, to retain it securely to a shaft by compressing the slotted hub body. The item may also be used to clamp around a shaft, or the like, to prevent end motion or to retain it in position. Its compression quality is derived from a screw(s) or bolt(s) which may be a part of the item of supply. For items designed to secure directly to a shaft by use of setscrews, pins, or the like, see collar, shaft. Excludes:clamp, loop.

0.9275 inches minimum and 0.9475 inches maximum body outside diameter, casehardened features provided, 0.3070 inches minimum and 0.3120 inches maximum overall length, square all corners corner shape, 0.5320 inches minimum and 0.5330 inches maximum body inside diameter

Product Characteristics

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

Overall Length: 0.3070 inches minimum and 0.3120 inches maximum
Body Outside Diameter: 0.9275 inches minimum and 0.9475 inches maximum
Body Inside Diameter: 0.5320 inches minimum and 0.5330 inches maximum
Corner Shape: square all corners
Features Provided: casehardened
Hardness Rating: 48.0 rockwell c minimum and 53.0 rockwell c maximum overall
Surface Finish: 63.0 microinches overall
Keyway Dimension: 0.0530 inches minimum and 0.0600 inches maximum internal keyway depth
Keyway Dimension: 0.1265 inches minimum and 0.1365 inches maximum internal keyway width
Keyway Dimension: 0.2750 inches nominal internal keyway length
Material: steel corrosion resisting overall
Surface Treatment: passivate overall
Style Designator: solid, plain, no outside flanges

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
61-1675	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-880-5143?

The FSCG of the NSN 3120-00-880-5143 is 3120

Does the NSN 3120-00-880-5143 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-880-5143 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 3120-00-880-5143 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-880-5143 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 3120-00-880-5143 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960