ST4M144-03002

View detailed technical data, stock status, and sourcing information for: ST4M144-03002
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-320-4444

Item Name Code

13206

Assigment Date

11/18/1973 (52 years ago)

An open- or close-coiled spring wound in various forms and from different shapes and types of materials and finished at the ends, designed in such a way as to provide resistance to pulling forces. The close-coiled springs may incorporate the special feature of initial tension created between the coils when wound, requiring an initial load to be applied to separate them. Excludes:spring,reinforcing hose.

0.2476 inches minimum and 0.2496 inches maximum body outside diameter, 125.0 microinches intermediate layer surface finish, square all corners corner shape, 0.9600 inches minimum and 0.9800 inches maximum overall length, 0.1900 inches minimum and 0.1920 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: 0.9600 inches minimum and 0.9800 inches maximum
Body Outside Diameter: 0.2476 inches minimum and 0.2496 inches maximum
Body Inside Diameter: 0.1900 inches minimum and 0.1920 inches maximum
Corner Shape: square all corners
Surface Finish: 125.0 microinches intermediate layer
Material: copper alloy 172 or copper alloy 173 overall
Style Designator: solid, plain, no outside flanges
Specification/Standard Data: 76301-st4-144 manufacturers specification

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
ST4M144-03002	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-320-4444?

The FSCG of the NSN 3120-00-320-4444 is 3120

Does the NSN 3120-00-320-4444 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-320-4444 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 3120-00-320-4444 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-320-4444 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 3120-00-320-4444 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sun, Nov 18, 1973