L77 Sleeve Bearing

Comprehensive specifications and application details for: L77 Sleeve Bearing.

Summary

Explore detailed summary information for bearing: L77. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: L77
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-729-6568
Item Name Code: 13205
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1961

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.

3.1290 inches minimum and 3.1300 inches maximum body inside diameter, chamfered outside right corner corner shape, square left flange body corner corner shape, 4.4990 inches minimum and 4.5000 inches maximum body outside diameter, chamfered inside right corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-729-6568 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 3.1290 inches minimum and 3.1300 inches maximum
Body Outside Diameter: 4.4990 inches minimum and 4.5000 inches maximum
Corner Shape: chamfered outside right corner
Corner Shape: chamfered inside right corner
Corner Shape: square left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Flange Outside Diameter: 5.9980 inches minimum and 6.0000 inches maximum
Flange Width: 0.6250 inches nominal
Lubricant Accommodation Style: grooved open both ends
Overall Length: 4.5000 inches nominal
Material: copper alloy 941 overall
Special Features: four holes 0.4062 in. drill thru 0.6250 in. dia counter bore 0.3750 in. deep,two holes 0.2031 in. drill thru 1/4-20 thd tap,located on flange face
Style Designator: solid, external flange one end
Surface Finish: 125.0 microinches overall
Surface Groove Location And Quantity: 2 internal

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-729-6568?: The FSCG of the NSN 3120-00-729-6568 is 3120

Does the NSN 3120-00-729-6568 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997090

Does NSN 3120-00-729-6568 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 3120-00-729-6568 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-729-6568 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.