3120-01-256-2310

Find complete technical information, availability, and procurement data for: 3120-01-256-2310
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-256-2310

Item Name Code

13206

Assigment Date

06/03/1987 (39 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.

3.4970 inches minimum and 3.5020 inches maximum body inside diameter, 1.0600 inches nominal overall length, 3.7129 inches minimum and 3.7136 inches maximum body outside diameter, 4.0000 inches nominal flange outside diameter, 0.0600 inches nominal 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: 1.0600 inches nominal
Body Outside Diameter: 3.7129 inches minimum and 3.7136 inches maximum
Body Inside Diameter: 3.4970 inches minimum and 3.5020 inches maximum
Flange Outside Diameter: 4.0000 inches nominal
Flange Width: 0.0600 inches nominal
Corner Shape: relief groove left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Special Features: body has 4 holes 0.088/.093 dia into 0.070/.110 dia groove on i.d.
Material: copper alloy 630 overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,type 2 fed spec 1st treatment response 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
2007404-69	Sleeve Bushing
3120PL1060309	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-256-2310?

The FSCG of the NSN 3120-01-256-2310 is 3120

Does the NSN 3120-01-256-2310 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-256-2310 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3120-01-256-2310 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-256-2310 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 3120-01-256-2310 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Jun 3, 1987