3120-00-840-2717

Find complete technical information, availability, and procurement data for: 3120-00-840-2717
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-840-2717

Item Name Code

13206

Assigment Date

01/01/1962 (64 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

0.2810 inches minimum and 0.2920 inches maximum overall length, 0.4385 inches minimum and 0.4390 inches maximum body outside diameter, 0.2960 inches minimum and 0.3030 inches maximum body inside diameter, 0.5525 inches minimum and 0.5625 inches maximum flange outside diameter, 0.0290 inches minimum and 0.0300 inches maximum flange width

Product Characteristics

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

Overall Length: 0.2810 inches minimum and 0.2920 inches maximum
Body Outside Diameter: 0.4385 inches minimum and 0.4390 inches maximum
Body Inside Diameter: 0.2960 inches minimum and 0.3030 inches maximum
Flange Outside Diameter: 0.5525 inches minimum and 0.5625 inches maximum
Flange Width: 0.0290 inches minimum and 0.0300 inches maximum
Corner Shape: chamfered inside left corner
Corner Shape: chamfered inside right corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square outside right corner
Corner Shape: undercut left flange body corner
Surface Finish: 63.0 microinches intermediate layer
Special Features: magniflux per mil-i-6868 and bell helicopter process spec 4075,heat treated per mil-h-6875 and helicopter process spec 4140,flange square within 0.0020 in.,id and od concentric within 0.0030 in.
Material: steel comp 4130 overall
Material Document And Classification: mil-s-6758 mil spec single material response overall
Surface Treatment: cadmium overall
Style Designator: solid, external 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
204-001-960-001	Sleeve Bushing
204-001-960-1	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-840-2717?

The FSCG of the NSN 3120-00-840-2717 is 3120

Does the NSN 3120-00-840-2717 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-840-2717 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 3120-00-840-2717 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-840-2717 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 3120-00-840-2717 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962