3120-00-073-2070

Find complete technical information, availability, and procurement data for: 3120-00-073-2070
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-073-2070

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.

3.1160 inches minimum and 3.1180 inches maximum overall length, 3.7500 inches nominal right flange outside diameter, 3.7500 inches nominal left flange outside diameter, 2.7495 inches minimum and 2.7500 inches maximum body outside diameter, 2.5020 inches minimum and 2.5040 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: 3.1160 inches minimum and 3.1180 inches maximum
Body Outside Diameter: 2.7495 inches minimum and 2.7500 inches maximum
Body Inside Diameter: 2.5020 inches minimum and 2.5040 inches maximum
Left Flange Outside Diameter: 3.7500 inches nominal
Right Flange Outside Diameter: 3.7500 inches nominal
Left Flange Width: 0.1180 inches minimum and 0.1200 inches maximum
Right Flange Width: 0.1180 inches minimum and 0.1200 inches maximum
Corner Shape: chamfered inside left corner
Corner Shape: chamfered inside right corner
Corner Shape: round left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square outside right corner
Corner Shape: square right flange body corner
Corner Shape: square right flange outside left corner
Criticality Code Justification: adar and adas and agfs and agft
Surface Finish: 12.0 microinches left end surface of right flange
Surface Finish: 125.0 microinches outside diameter surface of body
Surface Finish: 125.0 microinches outside diameter surface of left flange
Surface Finish: 125.0 microinches outside diameter surface of right flange
Surface Finish: 125.0 microinches right end surface of left flange
Surface Finish: 63.0 microinches inside diameter surface of body
Surface Finish: 63.0 microinches left end surface of body and flange
Surface Finish: 63.0 microinches right end surface of body and flange
Keyway Dimension: 0.1180 inches minimum and 0.1200 inches maximum external keyway length
Keyway Dimension: 0.2800 inches minimum and 0.3100 inches maximum external keyway depth
Material: copper alloy 675 or copper alloy 670 or copper alloy 874 overall
Surface Treatment: cadmium overall
Style Designator: segmented, external flanges both ends

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
8433583	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-073-2070?

The FSCG of the NSN 3120-00-073-2070 is 3120

Does the NSN 3120-00-073-2070 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-073-2070 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 3120-00-073-2070 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-073-2070 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 3120-00-073-2070 was assigned to the Federal Catalog?

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