3120-00-072-7683

Find complete technical information, availability, and procurement data for: 3120-00-072-7683
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-072-7683

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.

0.3530 inches minimum and 0.3610 inches maximum bore diameter, 0.3070 inches minimum and 0.3170 inches maximum outer member width, 9000 pounds static radial load rating, 0.8495 inches minimum and 0.8500 inches maximum outer member outside diameter, 0.3960 inches minimum and 0.4060 inches maximum inner member width

Product Characteristics

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

Bore Diameter: 0.3530 inches minimum and 0.3610 inches maximum
Outer Member Outside Diameter: 0.8495 inches minimum and 0.8500 inches maximum
Outer Member Width: 0.3070 inches minimum and 0.3170 inches maximum
Inner Member Width: 0.3960 inches minimum and 0.4060 inches maximum
Static Radial Load Rating: 9000 pounds
Hardness Rating: 71.0 rockwell a minimum and 74.5 rockwell a maximum inner member
Special Features: partial flat on od of outer race member
Material: plastic fluorocarbon race liner
Material: steel outer race member
Material: steel comp e52100 inner member
Material Document And Classification: mil-s-7420 mil spec single material response inner member
Material Document And Classification: qq-s-763 fed spec single material response outer race member
Surface Treatment: chromium inner member
Surface Treatment Document And Classification: ams 2406 assn std single treatment response inner member
Style Designator: with insert and/or liner

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
706B756P1	Self-Aligning Plain Bearing
KSBN6-18	Self-Aligning Plain Bearing
LDS06K106	Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-072-7683?

The FSCG of the NSN 3120-00-072-7683 is 3120

Does the NSN 3120-00-072-7683 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-00-072-7683 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 3120-00-072-7683 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-072-7683 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 3120-00-072-7683 was assigned to the Federal Catalog?

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