ST4M139C4-11

View detailed technical data, stock status, and sourcing information for: ST4M139C4-11
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-557-4708

Item Name Code

13206

Assigment Date

11/08/1974 (51 years ago)

A flat metallic item varied in shape with an opening(s) to accommodate an electrical connector(s). It must have facilities for mounting. Used to position an electrical connector. See also plate, mounting (as modified). Excludes:plate,wall,electrical and escutcheon plate.

0.4900 inches minimum and 0.5100 inches maximum flange outside diameter, 0.1650 inches minimum and 0.1770 inches maximum overall length, 0.3766 inches minimum and 0.7771 inches maximum body outside diameter, square left flange body corner corner shape, 0.2435 inches minimum and 0.2450 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: 0.1650 inches minimum and 0.1770 inches maximum
Body Outside Diameter: 0.3766 inches minimum and 0.7771 inches maximum
Body Inside Diameter: 0.2435 inches minimum and 0.2450 inches maximum
Flange Outside Diameter: 0.4900 inches minimum and 0.5100 inches maximum
Corner Shape: square left flange body corner
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
Surface Finish: 125.0 microinches overall
Material: steel comp 8630 overall
Material Document And Classification: aisi assn std single material response intermediate layer
Surface Treatment: passivate overall
Style Designator: solid, external flange one end

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
4M139C4-11	Sleeve Bushing
ST4M139C4-11	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-557-4708?

The FSCG of the NSN 3120-00-557-4708 is 3120

Does the NSN 3120-00-557-4708 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-557-4708 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 3120-00-557-4708 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-557-4708 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 3120-00-557-4708 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Fri, Nov 8, 1974