3120-01-178-2139 Sleeve Bushing

Comprehensive specifications and application details for NSN: 3120-01-178-2139.

Summary

Explore detailed summary information for bearing: 3120-01-178-2139. 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: 3120-01-178-2139
Item Name Code: 13206
Federal Item Identification Guide: A045A0
Assigment Date: 05/02/1984

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.

3 hole antirotation/lubrication type and quantity, square all corners corner shape, 3.5000 inches nominal flange outside diameter, 1.3730 inches minimum and 1.3740 inches maximum body outside diameter, 0.4990 inches minimum and 0.5000 inches maximum body inside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-178-2139 . Find dimensions, materials, tolerances, performance characteristics, etc.

Antirotation/Lubrication Type And Quantity: 3 hole
Body Inside Diameter: 0.4990 inches minimum and 0.5000 inches maximum
Body Outside Diameter: 1.3730 inches minimum and 1.3740 inches maximum
Corner Shape: square all corners
Flange Outside Diameter: 3.5000 inches nominal
Flange Width: 0.5000 inches nominal
Hole Diameter: 0.5625 inches nominal first
Overall Length: 2.5000 inches nominal
Material Document And Classification: b50r57d,fscm 01289 mfr ref single material response overall
Material: steel overall
Special Features: outside right corner relieved,1.1250 in. dia,0.4375 in. w
Style Designator: solid, external flange one end
Surface Finish: 32.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches right end surface of left flange

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
635A535	Sleeve Bushing
635A535-002	Sleeve Bushing
7303E71 PIECE 215	Sleeve Bushing
A-3225116	Sleeve Bushing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-01-178-2139. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-178-2139?: The FSCG of the NSN 3120-01-178-2139 is 3120

Does the NSN 3120-01-178-2139 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997060

Does NSN 3120-01-178-2139 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 3120-01-178-2139 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-178-2139 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.