3120-01-274-5741

Find complete technical information, availability, and procurement data for: 3120-01-274-5741
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-274-5741

Item Name Code

13205

Assigment Date

03/10/1988 (38 years ago)

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.

0.5000 inches nominal left flange outside diameter, 0.3740 inches minimum and 0.3750 inches maximum body outside diameter, 0.5000 inches nominal right flange outside diameter, 0.4370 inches nominal overall length, 0.2500 inches minimum and 0.2510 inches maximum body inside diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length: 0.4370 inches nominal
Body Outside Diameter: 0.3740 inches minimum and 0.3750 inches maximum
Body Inside Diameter: 0.2500 inches minimum and 0.2510 inches maximum
Left Flange Outside Diameter: 0.5000 inches nominal
Right Flange Outside Diameter: 0.5000 inches nominal
Left Flange Width: 0.0770 inches nominal
Right Flange Width: 0.0800 inches nominal
Corner Shape: square all corners
Surface Finish: 32.0 microinches inside diameter surface of body
Surface Finish: 32.0 microinches outside diameter surface of body
Material: copper alloy 841 overall
Material Document And Classification: mil-b-5687 type 1 grade 1 mil spec single material response overall
Style Designator: solid, external flanges both ends

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
3256643-1	Sleeve Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3120-01-274-5741?

The FSCG of the NSN 3120-01-274-5741 is 3120

Does the NSN 3120-01-274-5741 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-274-5741 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 3120-01-274-5741 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-274-5741 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.

When the NSN 3120-01-274-5741 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Mar 10, 1988