3120-01-012-8998

Find complete technical information, availability, and procurement data for: 3120-01-012-8998
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-012-8998

Item Name Code

13205

Assigment Date

11/20/1975 (50 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

1.8300 inches nominal overall length, 4.9750 inches minimum and 4.9780 inches maximum body inside diameter, 0.6200 inches nominal first slot width, 5.6180 inches minimum and 5.6200 inches maximum body outside diameter, 0.8900 inches nominal first slot length

Product Characteristics

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

Slot Width: 0.6200 inches nominal first
Slot Length: 0.8900 inches nominal first
Overall Length: 1.8300 inches nominal
Body Outside Diameter: 5.6180 inches minimum and 5.6200 inches maximum
Body Inside Diameter: 4.9750 inches minimum and 4.9780 inches maximum
Left Internal Flange Hole Diameter: 4.7530 inches minimum and 4.7550 inches maximum
Left Internal Flange Width: 0.9400 inches nominal
Corner Shape: square all corners
Antirotation/Lubrication Type And Quantity: 2 slot
Material: copper alloy 630 overall
Material Document And Classification: ams 4640 assn std single material response overall
Style Designator: solid, plain, no outside flanges, internal 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
69-60669-2	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-012-8998?

The FSCG of the NSN 3120-01-012-8998 is 3120

Does the NSN 3120-01-012-8998 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-012-8998 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 3120-01-012-8998 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-012-8998 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 3120-01-012-8998 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Thu, Nov 20, 1975