3120-00-726-4340

Find complete technical information, availability, and procurement data for: 3120-00-726-4340
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-726-4340

Item Name Code

13208

Assigment Date

01/01/1963 (63 years ago)

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

0.4320 inches minimum and 0.4370 inches maximum inner member width, 0.4370 inches minimum and 0.4375 inches maximum bore diameter, 57.0 rockwell c nominal inner member hardness rating, 0.3380 inches nominal outer member width, 0.9057 inches minimum and 0.9062 inches maximum outer member outside diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Bore Diameter: 0.4370 inches minimum and 0.4375 inches maximum
Outer Member Outside Diameter: 0.9057 inches minimum and 0.9062 inches maximum
Outer Member Width: 0.3380 inches nominal
Inner Member Width: 0.4320 inches minimum and 0.4370 inches maximum
Hardness Rating: 57.0 rockwell c nominal inner member
Hardness Rating: 19.0 rockwell c nominal outer race member
Lubrication Feature: groove external outer member
Lubrication Feature: perforation outer race member
Special Features: bore of ball and id of race coated with dry film lubricant
Material: lubricant lubrication
Material: steel comp 303 or steel comp 347 outer race member
Material: steel comp e52100 inner member
Surface Treatment: chromium inner member
Style Designator: without insert or liner

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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:

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03-503-07DD	Self-Aligning Plain Bearing
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BSSN7215G	Self-Aligning Plain Bearing
BSSN7247M2	Self-Aligning Plain Bearing
HSBG7-115M	Self-Aligning Plain Bearing
KSBG7CRD5	Self-Aligning Plain Bearing
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FAQs

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

What is the FSCG of the NSN 3120-00-726-4340?

The FSCG of the NSN 3120-00-726-4340 is 3120

Does the NSN 3120-00-726-4340 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-00-726-4340 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 3120-00-726-4340 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-726-4340 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 3120-00-726-4340 was assigned to the Federal Catalog?

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