3120-01-251-0180

Find complete technical information, availability, and procurement data for: 3120-01-251-0180
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-251-0180

Item Name Code

13206

Assigment Date

03/11/1987 (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.

0.4900 inches minimum and 0.5100 inches maximum body inside diameter, 0.4000 inches minimum and 0.4200 inches maximum overall length, 1.1800 inches minimum and 1.2000 inches maximum flange outside diameter, 0.7500 inches minimum and 0.7505 inches maximum body outside diameter, 0.1250 inches nominal first hole diameter

Product Characteristics

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

Hole Diameter: 0.1250 inches nominal first
Overall Length: 0.4000 inches minimum and 0.4200 inches maximum
Body Outside Diameter: 0.7500 inches minimum and 0.7505 inches maximum
Body Inside Diameter: 0.4900 inches minimum and 0.5100 inches maximum
Flange Outside Diameter: 1.1800 inches minimum and 1.2000 inches maximum
Flange Width: 0.1700 inches nominal
Left Internal Flange Hole Diameter: 0.2500 inches minimum and 0.2530 inches maximum
Left Internal Flange Width: 0.1700 inches nominal
Corner Shape: chamfered outside right corner
Corner Shape: chamfered outside left corner
Corner Shape: round left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Antirotation/Lubrication Type And Quantity: 1 hole
Surface Groove Location And Quantity: 1 external
Material: steel comp 4140 overall
Style Designator: solid, external flange one end, internal 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
44300-93	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-251-0180?

The FSCG of the NSN 3120-01-251-0180 is 3120

Does the NSN 3120-01-251-0180 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-251-0180 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 3120-01-251-0180 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-251-0180 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 3120-01-251-0180 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Mar 11, 1987