ST4M139P12-50

View detailed technical data, stock status, and sourcing information for: ST4M139P12-50
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-321-9147

Item Name Code

13206

Assigment Date

11/28/1973 (52 years ago)

1.1150 inches minimum and 1.1350 inches maximum flange outside diameter, 0.0600 inches minimum and 0.0620 inches maximum flange width, 0.5550 inches minimum and 0.5670 inches maximum overall length, 0.7435 inches minimum and 0.7450 inches maximum body inside diameter, 0.9393 inches minimum and 0.9403 inches maximum body 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: 0.5550 inches minimum and 0.5670 inches maximum
Body Outside Diameter: 0.9393 inches minimum and 0.9403 inches maximum
Body Inside Diameter: 0.7435 inches minimum and 0.7450 inches maximum
Flange Outside Diameter: 1.1150 inches minimum and 1.1350 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
Material Document And Classification: ams 4640 assn std single material response overall
Surface Treatment: cadmium and chromate 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: 76301-4-139 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
4M139P12-50	Sleeve Bushing
ST4M139P12-50	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-321-9147?

The FSCG of the NSN 3120-00-321-9147 is 3120

Does the NSN 3120-00-321-9147 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-321-9147 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 3120-00-321-9147 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-321-9147 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 3120-00-321-9147 was assigned to the Federal Catalog?

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