178957 Sleeve Bushing

Comprehensive specifications and application details for: 178957 Sleeve Bushing.

Summary

Explore detailed summary information for bearing: 178957. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 178957
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-159-0948
Item Name Code: 13206
Federal Item Identification Guide: A045A0
Assigment Date: 01/26/1973

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.

1.5738 inches minimum and 1.5744 inches maximum body outside diameter, 4.5200 inches nominal overall length, 32.0 rockwell c minimum and 38.0 rockwell c maximum overall hardness rating, square all corners corner shape, 1.2500 inches nominal body inside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-159-0948 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 1.2500 inches nominal
Body Outside Diameter: 1.5738 inches minimum and 1.5744 inches maximum
Corner Shape: square all corners
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Overall Length: 4.5200 inches nominal
Material Document And Classification: ams 6371 assn std single material response overall
Material: steel comp 4130 overall
Special Features: two tangs 0.1800 in. w by 0.1200 in. lg located at each end
Style Designator: solid, plain, no outside flanges
Surface Finish: 32.0 microinches outside diameter surface of body
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Surface Treatment: cadmium overall

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-159-0948?: The FSCG of the NSN 3120-00-159-0948 is 3120

Does the NSN 3120-00-159-0948 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997060

Does NSN 3120-00-159-0948 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 3120-00-159-0948 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-159-0948 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.