04-DU 4

View detailed technical data, stock status, and sourcing information for: 04-DU 4
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-138-6226

Item Name Code

13206

Assigment Date

07/30/1971 (54 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.

copper alloy and plastic polytetrafluoroethylene and lead intermediate layer material, square all corners corner shape, 0.2250 inches minimum and 0.2750 inches maximum overall length, 0.3130 inches minimum and 0.3142 inches maximum body outside diameter, 0.2512 inches nominal 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: 0.2250 inches minimum and 0.2750 inches maximum
Body Outside Diameter: 0.3130 inches minimum and 0.3142 inches maximum
Body Inside Diameter: 0.2512 inches nominal
Corner Shape: square all corners
Material: copper alloy and plastic polytetrafluoroethylene and lead intermediate layer
Material: plastic polytetrafluoroethylene inner layer
Material: steel and tin alloy outer layer
Surface Treatment: tin alloy outer layer
Style Designator: split, plain, no outside flanges

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
04-DU 4	Sleeve Bushing
727528-16	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-138-6226?

The FSCG of the NSN 3120-00-138-6226 is 3120

Does the NSN 3120-00-138-6226 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-138-6226 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 3120-00-138-6226 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-138-6226 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 3120-00-138-6226 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Fri, Jul 30, 1971