3120-01-173-3749

Find complete technical information, availability, and procurement data for: 3120-01-173-3749
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-173-3749

Item Name Code

13206

Assigment Date

03/05/1984 (42 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.

0.9900 inches minimum and 1.0100 inches maximum flange outside diameter, 0.3290 inches minimum and 0.3510 inches maximum overall length, 0.0490 inches minimum and 0.0510 inches maximum flange width, 0.5016 inches minimum and 0.5023 inches maximum body outside diameter, 0.3750 inches minimum and 0.3810 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: 0.3290 inches minimum and 0.3510 inches maximum
Body Outside Diameter: 0.5016 inches minimum and 0.5023 inches maximum
Body Inside Diameter: 0.3750 inches minimum and 0.3810 inches maximum
Flange Outside Diameter: 0.9900 inches minimum and 1.0100 inches maximum
Flange Width: 0.0490 inches minimum and 0.0510 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: 32.0 microinches outside diameter surface of body
Surface Finish: 63.0 microinches left end surface of body and flange
Material: copper alloy 172 or copper alloy 173 overall
Material Document And Classification: qq-c-530,cond. ht fed spec all material responses overall
Style Designator: solid, external flange one end
Specification/Standard Data: 76301-st4-130 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
ST4M130-06011	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-173-3749?

The FSCG of the NSN 3120-01-173-3749 is 3120

Does the NSN 3120-01-173-3749 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-173-3749 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 3120-01-173-3749 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-173-3749 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 3120-01-173-3749 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, Mar 5, 1984