M3240-20

View detailed technical data, stock status, and sourcing information for: M3240-20
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-279-0560

Item Name Code

13205

Assigment Date

01/01/1963 (63 years ago)

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes:shaft(1), straight; and axle(1), straight.

copper alloy 932 overall material, square all corners corner shape, 2.5020 inches minimum and 2.5030 inches maximum body outside diameter, 2.4950 inches minimum and 2.5050 inches maximum overall length, 1.9990 inches minimum and 2.0010 inches maximum body inside 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: 2.4950 inches minimum and 2.5050 inches maximum
Body Outside Diameter: 2.5020 inches minimum and 2.5030 inches maximum
Body Inside Diameter: 1.9990 inches minimum and 2.0010 inches maximum
Corner Shape: square all corners
Material: copper alloy 932 overall
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Below is a list of NSNs that have been officially superseded by this NSN: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
3120-00-288-2190	No Name Available	06/03/1973
3120-00-661-6584	No Name Available	01/01/1963

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
455GP	Sleeve Bearing
BB3240-40	Sleeve Bearing
CB3240-20	Sleeve Bearing
F1386-1-14	Sleeve Bearing
H3168	Sleeve Bearing
H362	Sleeve Bearing
M3240-20	Sleeve Bearing
SH709	Sleeve Bearing
X4160	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-279-0560?

The FSCG of the NSN 3120-00-279-0560 is 3120

Does the NSN 3120-00-279-0560 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-279-0560 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 3120-00-279-0560 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-279-0560 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 3120-00-279-0560 was assigned to the Federal Catalog?

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