3120-01-257-6978 Sleeve Bearing

Comprehensive specifications and application details for NSN: 3120-01-257-6978.

Summary

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Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-257-6978
Item Name Code: 13205
Federal Item Identification Guide: A045A0
Assigment Date: 06/23/1987

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.

0.3760 inches minimum and 0.3770 inches maximum body inside diameter, operational flight simulator,sperry corp,model f/a-18oft end item identification, 0.5010 inches minimum and 0.5020 inches maximum body outside diameter, square all corners corner shape, 0.6850 inches minimum and 0.6900 inches maximum flange outside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-257-6978 . Find dimensions, materials, tolerances, performance characteristics, etc.

End Item Identification: operational flight simulator,sperry corp,model f/a-18oft
Body Inside Diameter: 0.3760 inches minimum and 0.3770 inches maximum
Body Outside Diameter: 0.5010 inches minimum and 0.5020 inches maximum
Corner Shape: square all corners
Flange Outside Diameter: 0.6850 inches minimum and 0.6900 inches maximum
Flange Width: 0.0938 inches nominal
Overall Length: 0.8700 inches minimum and 0.8800 inches maximum
Material Document And Classification: mil-b-5687,type 1,comp a mil spec single material response overall
Material: copper alloy 260 overall
Material: oil lubricating lubrication
Nondefinitive Spec/Std Data: 1 type and a composition
Specification/Standard Data: 81349-mil-b-5687 government specification
Style Designator: solid, external flange one end

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
69195	Sleeve Bearing
69195-FB-68-7	Sleeve Bearing
FB-68-7	Sleeve Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-01-257-6978. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-257-6978?: The FSCG of the NSN 3120-01-257-6978 is 3120

Does the NSN 3120-01-257-6978 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-01-257-6978 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 3120-01-257-6978 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-257-6978 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.