3120-00-411-3978 Sleeve Bearing

Comprehensive specifications and application details for NSN: 3120-00-411-3978.

Summary

Explore detailed summary information for bearing: 3120-00-411-3978. 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: 3120-00-411-3978
Item Name Code: 13205
Federal Item Identification Guide: A045A0
Assigment Date: 08/20/1969

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.

0.4990 inches minimum and 0.5010 inches maximum body inside diameter, qq-b-746,comp d, fed spec all material responses and qq-s-628,cl b fed spec all material responses overall material document and classification, 0.6890 inches minimum and 0.6900 inches maximum body outside diameter, square all corners corner shape, 0.3750 inches nominal overall length

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-411-3978 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 0.4990 inches minimum and 0.5010 inches maximum
Body Outside Diameter: 0.6890 inches minimum and 0.6900 inches maximum
Corner Shape: square all corners
Overall Length: 0.3750 inches nominal
Material Document And Classification: qq-b-746,comp d, fed spec all material responses and qq-s-628,cl b fed spec all material responses overall
Material: copper alloy 524 and steel comp o6 overall
Style Designator: solid, plain, no outside flanges

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
10903271	Sleeve Bearing
3120004113978	Sleeve Bearing
31204113978	Sleeve Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-00-411-3978. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-411-3978?: The FSCG of the NSN 3120-00-411-3978 is 3120

Does the NSN 3120-00-411-3978 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-411-3978 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 3120-00-411-3978 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-411-3978 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.