3120-00-977-3140

Find complete technical information, availability, and procurement data for: 3120-00-977-3140
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-977-3140

Item Name Code

28215

Assigment Date

01/01/1962 (64 years ago)

A cylindrical body having a centrally located hole to accommodate a pin or shaft for attachment to a push rod guide, yoke, rocker arm, turntable, or rail. The item provides a rolling contact with the face of a valve stem, or the lobes of a cam ring or camshaft on engines, fuel injection pumps, latches, turntables, parallel bearing surfaces requiring a roller support, and the like. Excludes:bearing, roller, cylindrical; roller, electrical switch; and friction bearings. See also cam follower, needle bearing.

0.375 inches minimum and 0.376 inches maximum bore inside diameter, 0.360 inches minimum and 0.365 inches maximum face width, 0.620 inches minimum and 0.630 inches maximum outside diameter, 33.0 minimum rockwell c and 37.0 maximum rockwell c metallic hardness rating, not casehardened casehardening indicator

Product Characteristics

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

Casehardening Indicator: not casehardened
Outside Diameter: 0.620 inches minimum and 0.630 inches maximum
Metallic Hardness Rating: 33.0 minimum rockwell c and 37.0 maximum rockwell c
Face Width: 0.360 inches minimum and 0.365 inches maximum
Bore Inside Diameter: 0.375 inches minimum and 0.376 inches maximum
Material: steel comp e4340
Material Document And Classification: mil-s-5000 mil spec single material response
Style Designator: plain

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
128LM10153-1	Linear-Rotary Motion Roller

FAQs

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

What is the FSCG of the NSN 3120-00-977-3140?

The FSCG of the NSN 3120-00-977-3140 is 3120

Does the NSN 3120-00-977-3140 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-977-3140 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 3120-00-977-3140 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-977-3140 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 3120-00-977-3140 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962