5256781 PIECE 41

View detailed technical data, stock status, and sourcing information for: 5256781 PIECE 41
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-161-9136

Item Name Code

13206

Assigment Date

09/12/1983 (42 years ago)

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends with threads of the same nominal diameter. All or part of the unthreaded section has a cross-sectional diameter greater than the nominal stud size plus 0.020 inches (0.508 mm). It may be thread relieved. See also stud, locked in.

3.7490 inches minimum and 3.7500 inches maximum body outside diameter, 4.7450 inches minimum and 4.7460 inches maximum flange outside diameter, 2.0000 inches nominal overall length, 0.1250 inches nominal first hole diameter, 3.4040 inches minimum and 3.4080 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.

Hole Diameter: 0.1250 inches nominal first
Overall Length: 2.0000 inches nominal
Body Outside Diameter: 3.7490 inches minimum and 3.7500 inches maximum
Body Inside Diameter: 3.4040 inches minimum and 3.4080 inches maximum
Flange Outside Diameter: 4.7450 inches minimum and 4.7460 inches maximum
Flange Width: 0.2515 inches nominal
Lubricant Accommodation Style: grooved circular
Corner Shape: square all corners
Surface Finish: 125.0 microinches overall
Antirotation/Lubrication Type And Quantity: 1 hole
Surface Groove Location And Quantity: 2 internal
Material: copper alloy 922 overall
Material Document And Classification: mil-b-16541 mil spec single material response 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
523-5256781 DETAIL 15-B	Sleeve Bushing
523-5256781 PIECE 41	Sleeve Bushing
523-5256781-41	Sleeve Bushing
5256781 PIECE 41	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-161-9136?

The FSCG of the NSN 3120-01-161-9136 is 3120

Does the NSN 3120-01-161-9136 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-161-9136 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 3120-01-161-9136 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-161-9136 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 3120-01-161-9136 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, Sep 12, 1983