3120-01-121-5602

Find complete technical information, availability, and procurement data for: 3120-01-121-5602
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-121-5602

Item Name Code

13206

Assigment Date

11/06/1981 (44 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.

0.9935 inches minimum and 0.9950 inches maximum body inside diameter, 0.4650 inches minimum and 0.4770 inches maximum overall length, 0.0600 inches minimum and 0.0620 inches maximum flange width, 1.1898 inches minimum and 1.1908 inches maximum body outside diameter, 1.3650 inches minimum and 1.3850 inches maximum flange outside 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: 0.4650 inches minimum and 0.4770 inches maximum
Body Outside Diameter: 1.1898 inches minimum and 1.1908 inches maximum
Body Inside Diameter: 0.9935 inches minimum and 0.9950 inches maximum
Flange Outside Diameter: 1.3650 inches minimum and 1.3850 inches maximum
Flange Width: 0.0600 inches minimum and 0.0620 inches maximum
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Corner Shape: undercut left flange body corner
Surface Finish: 125.0 microinches intermediate layer
Material: copper alloy 172 or copper alloy 173 overall
Material Document And Classification: qq-c-530,ht fed spec all material responses overall
Style Designator: solid, external flange one end
Specification/Standard Data: 76301-4-139 manufacturers standard

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
4M139BC16-41	Sleeve Bushing
ST4M139BC16-41	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-121-5602?

The FSCG of the NSN 3120-01-121-5602 is 3120

Does the NSN 3120-01-121-5602 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-121-5602 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 3120-01-121-5602 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-121-5602 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 3120-01-121-5602 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, Nov 6, 1981