3120-01-503-4956 Sleeve Bushing

Comprehensive specifications and application details for NSN: 3120-01-503-4956.

Summary

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Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-503-4956
Item Name Code: 13206
Federal Item Identification Guide: A045A0
Assigment Date: 12/19/2002

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

0.6220 inches minimum and 0.6230 inches maximum body outside diameter, b-52 aircraft end item identification, 0.4370 inches minimum and 0.4385 inches maximum body inside diameter, chamfered outside right corner corner shape, chamfered outside left corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-503-4956 . Find dimensions, materials, tolerances, performance characteristics, etc.

End Item Identification: b-52 aircraft
Body Inside Diameter: 0.4370 inches minimum and 0.4385 inches maximum
Body Outside Diameter: 0.6220 inches minimum and 0.6230 inches maximum
Corner Shape: chamfered outside right corner
Corner Shape: chamfered outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Overall Length: 0.9420 inches minimum and 0.9470 inches maximum
Part Name Assigned By Controlling Agency: bushing-clamp-up
Material Document And Classification: mil-s-6758 mil spec single material response or mil-s-6050 mil spec single material response overall
Material: steel comp 4130 or steel comp 8630 overall
Special Features: bushing has an annular groove around center of bushing 0.125 inch long by 0.032 inch deep with a 0.094 inch radius.
Style Designator: solid, plain, no outside flanges
Surface Treatment Document And Classification: qq-c-320,class 2 fed spec single treatment response external surface member
Surface Treatment: chromate external surface member

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
NAS72-7-015	Sleeve Bushing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-01-503-4956. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-503-4956?: The FSCG of the NSN 3120-01-503-4956 is 3120

Does the NSN 3120-01-503-4956 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997060

Does NSN 3120-01-503-4956 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 3120-01-503-4956 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-503-4956 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.