B7974

View detailed technical data, stock status, and sourcing information for: B7974
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-661-6526

Item Name Code

13205

Assigment Date

01/01/1963 (63 years ago)

4.2500 inches nominal overall length, grooved triple loop and grooved circular lubricant accommodation style, 0.3750 inches nominal first hole diameter, 6.1310 inches minimum and 6.1320 inches maximum body outside diameter, 5.1370 inches minimum and 5.1390 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.

Hole Diameter: 0.3750 inches nominal first
Overall Length: 4.2500 inches nominal
Body Outside Diameter: 6.1310 inches minimum and 6.1320 inches maximum
Body Inside Diameter: 5.1370 inches minimum and 5.1390 inches maximum
Lubricant Accommodation Style: grooved triple loop and grooved circular
Corner Shape: square all corners
Antirotation/Lubrication Type And Quantity: 1 hole
Surface Groove Location And Quantity: 1 external
Material: copper alloy 932 overall
Material Document And Classification: mil-b-16261 mil spec 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
B7974	Sleeve Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-661-6526?

The FSCG of the NSN 3120-00-661-6526 is 3120

Does the NSN 3120-00-661-6526 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997090

Does NSN 3120-00-661-6526 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 3120-00-661-6526 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-661-6526 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 3120-00-661-6526 was assigned to the Federal Catalog?

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