3120-00-521-1555

Find complete technical information, availability, and procurement data for: 3120-00-521-1555
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-521-1555

Item Name Code

13205

Assigment Date

01/01/1963 (63 years ago)

0.8750 inches nominal overall length, 0.1250 inches nominal first hole diameter, 1.6270 inches minimum and 1.6280 inches maximum body outside diameter, 1.3745 inches minimum and 1.3760 inches maximum body inside diameter, 1.9900 inches minimum and 2.0100 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.

Hole Diameter: 0.1250 inches nominal first
Overall Length: 0.8750 inches nominal
Body Outside Diameter: 1.6270 inches minimum and 1.6280 inches maximum
Body Inside Diameter: 1.3745 inches minimum and 1.3760 inches maximum
Flange Outside Diameter: 1.9900 inches minimum and 2.0100 inches maximum
Flange Width: 0.1220 inches minimum and 0.1240 inches maximum
Lubricant Accommodation Style: grooved circular
Corner Shape: square left flange body corner
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Antirotation/Lubrication Type And Quantity: 1 hole
Surface Groove Location And Quantity: 1 internal
Material: copper alloy 464 overall
Material Document And Classification: qq-b-637,alloy464,hard fed spec single material response overall
Surface Treatment: cadmium outside diameter surface of body
Surface Treatment: cadmium outside diameter surface of flange
Surface Treatment: cadmium right end surface of body
Surface Treatment: cadmium right end surface of left flange
Style Designator: solid, external flange one end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1630-00-662-5556	No Name Available	01/01/1960

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
1103639	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-521-1555?

The FSCG of the NSN 3120-00-521-1555 is 3120

Does the NSN 3120-00-521-1555 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-521-1555 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 3120-00-521-1555 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-521-1555 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 3120-00-521-1555 was assigned to the Federal Catalog?

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