74A661270-2017

View detailed technical data, stock status, and sourcing information for: 74A661270-2017
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-204-4799

Item Name Code

13205

Assigment Date

03/27/1985 (41 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.

0.5615 inches minimum and 0.5620 inches maximum body outside diameter, 1.1250 inches nominal flange outside diameter, 0.0250 inches minimum and 0.0300 inches maximum flange width, 0.4375 inches minimum and 0.4395 inches maximum body inside diameter, 1.4750 inches nominal overall length

Product Characteristics

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

Overall Length: 1.4750 inches nominal
Body Outside Diameter: 0.5615 inches minimum and 0.5620 inches maximum
Body Inside Diameter: 0.4375 inches minimum and 0.4395 inches maximum
Flange Outside Diameter: 1.1250 inches nominal
Flange Width: 0.0250 inches minimum and 0.0300 inches maximum
Corner Shape: square all corners
Surface Finish: 32.0 microinches right end surface of left flange
Surface Finish: 8.0 microinches outside diameter surface of body
Material: steel comp 630 overall
Material Document And Classification: ams 5643 assn std single material response overall
Style Designator: solid, external flange one end
Test Data Document: "76301-ps21202,class a specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-01-127-4231	No Name Available	11/01/1987

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
10108235	Sleeve Bearing
74A661270-2013	Sleeve Bearing
74A661270-2017	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-204-4799?

The FSCG of the NSN 3120-01-204-4799 is 3120

Does the NSN 3120-01-204-4799 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-204-4799 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 3120-01-204-4799 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-204-4799 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 3120-01-204-4799 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Mar 27, 1985