A51M21505-11

View detailed technical data, stock status, and sourcing information for: A51M21505-11
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-868-0856

Item Name Code

13206

Assigment Date

04/29/1972 (54 years ago)

A grouping of two or more physically connected or related electrical an/or electronic parts capable of dissassemblage. Each component of the assemblage must be capable of functioning in accordance with its own item name. Consists of a single printed circuit board or terminal board upon which are mounted separately manufactured electronic components such as capacitors, inductors, resistors, and the like. It may also include printed electronic components. The item is generally part of a subassembly and cannot be assigned a more definite item name. For items having a complete individual electrical/electronic function, use applicable item name such as amplifier (as modified); power supply; or the like. For items not having a complete individual electrical/electronic function, see applicable subassembly name, such as amplifier subassembly; power supply subassembly; or the like. For an assembly of electrical/electronic components mounted on other than a single printed wiring board, see electronic components assembly. Excludes:printed circuit board

0.7506 inches minimum and 0.7511 inches maximum body outside diameter, 0.5310 inches minimum and 0.5360 inches maximum overall length, 0.1560 inches minimum and 0.1610 inches maximum flange width, 1.1250 inches nominal flange outside diameter, 0.4930 inches minimum and 0.4950 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: 0.5310 inches minimum and 0.5360 inches maximum
Body Outside Diameter: 0.7506 inches minimum and 0.7511 inches maximum
Body Inside Diameter: 0.4930 inches minimum and 0.4950 inches maximum
Flange Outside Diameter: 1.1250 inches nominal
Flange Width: 0.1560 inches minimum and 0.1610 inches maximum
Corner Shape: chamfered inside left corner
Corner Shape: chamfered inside right corner
Corner Shape: square left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square outside right 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
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
A51M21505-11	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-868-0856?

The FSCG of the NSN 3120-00-868-0856 is 3120

Does the NSN 3120-00-868-0856 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-868-0856 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 3120-00-868-0856 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-868-0856 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 3120-00-868-0856 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sat, Apr 29, 1972