3120-00-448-6978 Sleeve Bearing

Comprehensive specifications and application details for NSN: 3120-00-448-6978.

Summary

Explore detailed summary information for bearing: 3120-00-448-6978. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-448-6978
Item Name Code: 13205
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1963

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

26.0 rockwell c minimum and 32.0 rockwell c maximum overall hardness rating, 3.8098 inches minimum and 3.8113 inches maximum body outside diameter, 3.3670 inches nominal overall length, square all corners corner shape, 3.5050 inches minimum and 3.5065 inches maximum body inside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-448-6978 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 3.5050 inches minimum and 3.5065 inches maximum
Body Outside Diameter: 3.8098 inches minimum and 3.8113 inches maximum
Corner Shape: square all corners
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Overall Length: 3.3670 inches nominal
Material Document And Classification: ams 6280 assn std single material response or ams 6281 assn std single material response overall
Material: steel overall
Precious Material: silver
Style Designator: solid, plain, no outside flanges
Surface Treatment: lead alloy and silver outside diameter surface of body
Surface Treatment: lead alloy inside diameter surface of body

Related Bearings

Explore the various bearing models associated with this NSN. Click on any bearing below to view detailed technical data, performance ratings, and application guidelines.

Part Number	Name
84752	Sleeve Bearing
AS84752	Sleeve Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-00-448-6978. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-448-6978?: The FSCG of the NSN 3120-00-448-6978 is 3120

Does the NSN 3120-00-448-6978 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-448-6978 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 3120-00-448-6978 contain precious materials?: Item contains silver.

Does NSN 3120-00-448-6978 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.