3120-01-172-0557

Find complete technical information, availability, and procurement data for: 3120-01-172-0557
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-172-0557

Item Name Code

13205

Assigment Date

02/15/1984 (42 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.

1.2530 inches minimum and 1.2550 inches maximum body inside diameter, 1.9844 inches minimum and 2.0000 inches maximum overall length, 1.6265 inches minimum and 1.6275 inches maximum body outside diameter, grooved open both ends and grooved circular lubricant accommodation style, 0.1875 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: 0.1875 inches nominal first
Overall Length: 1.9844 inches minimum and 2.0000 inches maximum
Body Outside Diameter: 1.6265 inches minimum and 1.6275 inches maximum
Body Inside Diameter: 1.2530 inches minimum and 1.2550 inches maximum
Lubricant Accommodation Style: grooved open both ends and grooved circular
Corner Shape: chamfered inside left corner
Corner Shape: chamfered inside right corner
Corner Shape: square outside left corner
Corner Shape: square outside right corner
Antirotation/Lubrication Type And Quantity: 2 hole
Surface Groove Location And Quantity: 1 external and 3 internal
Material: copper alloy overall
Material Document And Classification: 194,fscm 27315 mfr ref single material response overall
Style Designator: solid, 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
5T2914	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-172-0557?

The FSCG of the NSN 3120-01-172-0557 is 3120

Does the NSN 3120-01-172-0557 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-01-172-0557 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 3120-01-172-0557 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-172-0557 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 3120-01-172-0557 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, Feb 15, 1984