71975 PIECE 18

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-202-2750

Item Name Code

13206

Assigment Date

02/28/1985 (41 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.

0.3750 inches nominal flange width, 3.3750 inches nominal body outside diameter, 2.4375 inches nominal overall length, 2.7500 inches nominal body inside diameter, 4.2480 inches minimum and 4.2500 inches maximum flange outside 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: 2.4375 inches nominal
Body Outside Diameter: 3.3750 inches nominal
Body Inside Diameter: 2.7500 inches nominal
Flange Outside Diameter: 4.2480 inches minimum and 4.2500 inches maximum
Flange Width: 0.3750 inches nominal
Left Internal Flange Hole Diameter: 2.7500 inches minimum and 2.7520 inches maximum
Left Internal Flange Width: 0.2480 inches minimum and 0.2520 inches maximum
Corner Shape: square all corners
Material: copper alloy 922 overall
Material Document And Classification: mil-b-16541 mil spec single material response 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
71975 PIECE 18	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-202-2750?

The FSCG of the NSN 3120-01-202-2750 is 3120

Does the NSN 3120-01-202-2750 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-202-2750 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 3120-01-202-2750 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-202-2750 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 3120-01-202-2750 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Feb 28, 1985