B831-8120-7

View detailed technical data, stock status, and sourcing information for: B831-8120-7
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-508-7803

Item Name Code

13205

Assigment Date

06/03/2003 (23 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

square all corners corner shape, 2.8765 inches minimum and 2.8775 inches maximum body outside diameter, 48.0000 inches nominal overall length, 2.5050 inches minimum and 2.5060 inches maximum body inside diameter, gearbox/actuator;seawolf class ssn end item identification

Product Characteristics

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

Overall Length: 48.0000 inches nominal
Body Outside Diameter: 2.8765 inches minimum and 2.8775 inches maximum
Body Inside Diameter: 2.5050 inches minimum and 2.5060 inches maximum
End Item Identification: gearbox/actuator;seawolf class ssn
Corner Shape: square all corners
Material: steel corrosion resisting overall
Material Document And Classification: 17-4ph stainless mfr ref all material responses overall
Style Designator: solid, plain, no outside flanges

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
596-7410574-7	Sleeve Bearing
B831-8120-7	Sleeve Bearing
KNRJ40-V-048-2	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-508-7803?

The FSCG of the NSN 3120-01-508-7803 is 3120

Does the NSN 3120-01-508-7803 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-508-7803 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 3120-01-508-7803 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-508-7803 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 3120-01-508-7803 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Tue, Jun 3, 2003