3120-00-818-6757

Find complete technical information, availability, and procurement data for: 3120-00-818-6757
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-818-6757

Item Name Code

13206

Assigment Date

01/01/1963 (63 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.

0.4950 inches minimum and 0.5050 inches maximum flange outside diameter, 0.0570 inches minimum and 0.0620 inches maximum flange width, 0.2430 inches minimum and 0.2450 inches maximum body inside diameter, 0.3755 inches minimum and 0.3760 inches maximum body outside diameter, 0.3010 inches minimum and 0.3110 inches maximum 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: 0.3010 inches minimum and 0.3110 inches maximum
Body Outside Diameter: 0.3755 inches minimum and 0.3760 inches maximum
Body Inside Diameter: 0.2430 inches minimum and 0.2450 inches maximum
Flange Outside Diameter: 0.4950 inches minimum and 0.5050 inches maximum
Flange Width: 0.0570 inches minimum and 0.0620 inches maximum
Corner Shape: chamfered outside left corner
Corner Shape: round inside right corner
Corner Shape: square left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square inside left corner
Corner Shape: square outside right corner
Hardness Rating: 33.0 rockwell c minimum and 37.0 rockwell c maximum overall
Surface Finish: 125.0 microinches outside diameter surface of body
Surface Finish: 125.0 microinches left end surface of body and flange
Surface Finish: 200.0 microinches inside diameter surface of body
Material: steel comp 303 or steel comp 4130 or steel comp 4140 overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single 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
GB10C4-8	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-818-6757?

The FSCG of the NSN 3120-00-818-6757 is 3120

Does the NSN 3120-00-818-6757 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-818-6757 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 3120-00-818-6757 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-818-6757 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 3120-00-818-6757 was assigned to the Federal Catalog?

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