A51M10500-3

View detailed technical data, stock status, and sourcing information for: A51M10500-3
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-538-5928

Item Name Code

13209

Assigment Date

09/25/1974 (51 years ago)

An item specifically designed to be placed partially or completely around an electron tube for the purpose of shielding against electrical or mechanical interference or physical damage. May include mounting facilities. See also cover (as modified); housing (as modified) and visor (as modified).

3a thread class, 2.7750 inches nominal overall length, 0.3745 inches minimum and 0.3750 inches maximum bore diameter, externally threaded shank style, right-hand thread direction

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: 2.7750 inches nominal
Bore Diameter: 0.3745 inches minimum and 0.3750 inches maximum
Outer Member Outside Diameter: 1.1000 inches nominal
Bore Center To Shank End Distance: 2.1250 inches nominal
Outer Member Width: 0.3960 inches minimum and 0.4060 inches maximum
Inner Member Width: 0.4980 inches minimum and 0.5000 inches maximum
Shank Thread Length: 1.2500 inches nominal
Thread Diameter: 0.500 inches nominal
Thread Quantity Per Inch: 20
Special Features: hole in shank end 0.218 in. dia by 1.060 in. deep
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 440c inner member
Material: steel comp 630 or steel comp 410 or steel comp 631 race insert
Material: steel comp d6ac internal rod end body
Material Document And Classification: ams 5528 assn std 1st material response or ams a5643 assn std 2nd material response race insert
Material Document And Classification: mil-s-8949 mil spec single material response internal rod end body
Surface Treatment: cadmium rod end body
Surface Treatment Document And Classification: mil-c-8837 ty 2 cl 1 mil spec single treatment response rod end body
Style Designator: ball type
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-00-758-7768	No Name Available	05/01/2003

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
A51M10500-3	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-538-5928?

The FSCG of the NSN 3120-00-538-5928 is 3120

Does the NSN 3120-00-538-5928 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-00-538-5928 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 3120-00-538-5928 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-538-5928 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 3120-00-538-5928 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Wed, Sep 25, 1974