3120-00-540-8101

Find complete technical information, availability, and procurement data for: 3120-00-540-8101
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-540-8101

Item Name Code

13209

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.

right-hand thread direction, 0.2500 inches minimum and 0.2505 inches maximum bore diameter, 3a thread class, 1.8050 inches nominal overall length, externally threaded shank style

Product Characteristics

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

Thread Class: 3a
Thread Direction: right-hand
Shank Style: externally threaded
Overall Length: 1.8050 inches nominal
Bore Diameter: 0.2500 inches minimum and 0.2505 inches maximum
Outer Member Outside Diameter: 0.7500 inches nominal
Bore Center To Shank End Distance: 1.4300 inches nominal
Outer Member Width: 0.2860 inches maximum
Inner Member Width: 0.3700 inches minimum and 0.3750 inches maximum
Shank Thread Length: 0.8680 inches nominal
Thread Diameter: 0.250 inches nominal
Thread Quantity Per Inch: 28
Lubrication Feature: groove external inner member
Material: copper alloy race insert
Material: steel internal rod end body
Material: steel comp e52100 inner member
Material Document And Classification: 66 fed std single material response inner member
Surface Treatment: cadmium rod end body
Style Designator: ball type
Thread Series Designator: unf

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
416B505P3	Rod End Plain Bearing
HM4J	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-540-8101?

The FSCG of the NSN 3120-00-540-8101 is 3120

Does the NSN 3120-00-540-8101 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-00-540-8101 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 3120-00-540-8101 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-540-8101 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 3120-00-540-8101 was assigned to the Federal Catalog?

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