K1921-17

View detailed technical data, stock status, and sourcing information for: K1921-17
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-041-0346

Item Name Code

13205

Assigment Date

11/13/1972 (53 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.

chamfered outside left corner corner shape, 0.9980 inches minimum and 1.0020 inches maximum overall length, 1.7590 inches minimum and 1.7620 inches maximum body inside diameter, square inside left corner corner shape, 2.0620 inches minimum and 2.0650 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: 0.9980 inches minimum and 1.0020 inches maximum
Body Outside Diameter: 2.0620 inches minimum and 2.0650 inches maximum
Body Inside Diameter: 1.7590 inches minimum and 1.7620 inches maximum
Corner Shape: chamfered outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Surface Finish: 63.0 microinches overall
Material: plastic phenolic 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
K1921-17	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-041-0346?

The FSCG of the NSN 3120-00-041-0346 is 3120

Does the NSN 3120-00-041-0346 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-041-0346 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 3120-00-041-0346 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-041-0346 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 3120-00-041-0346 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Mon, Nov 13, 1972