ST4M139P6-12

View detailed technical data, stock status, and sourcing information for: ST4M139P6-12
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-321-9211

Item Name Code

13206

Assigment Date

11/28/1973 (52 years ago)

0.1750 inches minimum and 0.1870 inches maximum overall length, 0.5016 inches minimum and 0.5023 inches maximum body outside diameter, 0.6150 inches minimum and 0.6350 inches maximum flange outside diameter, 0.3685 inches minimum and 0.3700 inches maximum body inside diameter, 0.0600 inches minimum and 0.0620 inches maximum flange width

Product Characteristics

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

Overall Length: 0.1750 inches minimum and 0.1870 inches maximum
Body Outside Diameter: 0.5016 inches minimum and 0.5023 inches maximum
Body Inside Diameter: 0.3685 inches minimum and 0.3700 inches maximum
Flange Outside Diameter: 0.6150 inches minimum and 0.6350 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 630 overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Style Designator: solid, external flange one end
Specification/Standard Data: 76301-st4-139 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
4M139P6-12	Sleeve Bushing
ST4M139P6-12	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-321-9211?

The FSCG of the NSN 3120-00-321-9211 is 3120

Does the NSN 3120-00-321-9211 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-321-9211 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 3120-00-321-9211 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-321-9211 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 3120-00-321-9211 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Wed, Nov 28, 1973