3120-01-686-1918

Find complete technical information, availability, and procurement data for: 3120-01-686-1918
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-686-1918

Item Name Code

13206

Assigment Date

02/04/2020 (6 years ago)

An electromechanical or solid state item that accepts and systematically accepts and systematically retains digital input data in such a manner as to facilitate the rapid recovery of stored information. The item may consist of disks, some of which are removable, hard, removable disk packs, fixed disks, or removable flexible, each surface coated with a material susceptible to spot magnetization, integral writing, a drive motor and its mechanical linkage, and data-translating heads for impressing on or removing from the disk surface data in digital form. The item is a component of an electrnic computer. See also, magnetic drum,data storage; core memory unit.

0.2500 inches minimum and 0.2515 inches maximum body inside diameter, 0.3020 inches minimum and 0.3170 inches maximum overall length, 0.4900 inches minimum and 0.5100 inches maximum flange outside diameter, 0.0620 inches maximum flange width, 0.3756 inches minimum and 0.3761 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: 0.3020 inches minimum and 0.3170 inches maximum
Body Outside Diameter: 0.3756 inches minimum and 0.3761 inches maximum
Body Inside Diameter: 0.2500 inches minimum and 0.2515 inches maximum
Flange Outside Diameter: 0.4900 inches minimum and 0.5100 inches maximum
Flange Width: 0.0620 inches maximum
Surface Finish: 100.0 microinches intermediate layer
Part Name Assigned By Controlling Agency: bushing, flanged press fit steel
Special Features: cadmium plate all surfaces except id
Material: copper alloy 642 overall
Material Document And Classification: qq-c-465 fed spec single material response overall
Surface Treatment: cadmium outside diameter surface of body
Surface Treatment Document And Classification: qq-p-416 fed spec single treatment response outside diameter surface of body
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
NAS77A4- 025N	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-686-1918?

The FSCG of the NSN 3120-01-686-1918 is 3120

Does the NSN 3120-01-686-1918 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-686-1918 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 3120-01-686-1918 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-686-1918 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 3120-01-686-1918 was assigned to the Federal Catalog?

It was assigned 6 years ago, on Tue, Feb 4, 2020