D1680

View detailed technical data, stock status, and sourcing information for: D1680
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-661-6764

Item Name Code

13205

Assigment Date

01/01/1963 (63 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.

0.4990 inches minimum and 0.5010 inches maximum body inside diameter, 0.7710 inches minimum and 0.7910 inches maximum overall length, square all corners corner shape, copper alloy overall material, 0.5615 inches minimum and 0.5625 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: 0.7710 inches minimum and 0.7910 inches maximum
Body Outside Diameter: 0.5615 inches minimum and 0.5625 inches maximum
Body Inside Diameter: 0.4990 inches minimum and 0.5010 inches maximum
Corner Shape: square all corners
Material: copper alloy overall
Material: lubricant lubrication
Style Designator: solid, plain, no outside flanges

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2920-00-288-0964	No Name Available	01/01/1963
2920-00-360-7735	No Name Available	02/06/1970
3120-00-843-8855	No Name Available	01/03/1968
2920-00-844-6496	No Name Available	12/22/1969

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
137045H	Sleeve Bearing
1839345	Sleeve Bearing
270926	Sleeve Bearing
55585	Sleeve Bearing
66845	Sleeve Bearing
850337	Sleeve Bearing
93-1839345	Sleeve Bearing
A40227	Sleeve Bearing
C500Y80D Y685 174 3410 11.021	Sleeve Bearing
D1680	Sleeve Bearing
SAW-6616764	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-661-6764?

The FSCG of the NSN 3120-00-661-6764 is 3120

Does the NSN 3120-00-661-6764 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-661-6764 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 3120-00-661-6764 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-661-6764 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 3120-00-661-6764 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963