3120-00-661-7521

Find complete technical information, availability, and procurement data for: 3120-00-661-7521
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-661-7521

Item Name Code

13209

Assigment Date

01/01/1963 (63 years ago)

0.1895 inches minimum and 0.1915 inches maximum bore diameter, left-hand thread direction, externally threaded shank style, 3a thread class, 1.9250 inches minimum and 1.9450 inches maximum overall length

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: left-hand
Shank Style: externally threaded
Overall Length: 1.9250 inches minimum and 1.9450 inches maximum
Bore Diameter: 0.1895 inches minimum and 0.1915 inches maximum
Outer Member Outside Diameter: 0.7400 inches minimum and 0.7600 inches maximum
Bore Center To Shank End Distance: 1.5500 inches minimum and 1.5700 inches maximum
Outer Member Width: 0.3330 inches maximum
Inner Member Width: 0.4320 inches minimum and 0.4370 inches maximum
Shank Thread Length: 1.0000 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 rod end body
Material: steel comp e52100 inner member
Material Document And Classification: 66 fed std single material response inner member
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Below is a list of NSNs that have been officially superseded by this NSN: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
3120-00-662-8044	No Name Available	10/01/1975
3110-00-930-6137	No Name Available	05/20/1970

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
20000-8	Rod End Plain Bearing
ML34-14	Rod End Plain Bearing
TREL3-1 3	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-661-7521?

The FSCG of the NSN 3120-00-661-7521 is 3120

Does the NSN 3120-00-661-7521 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-00-661-7521 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 3120-00-661-7521 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-661-7521 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 3120-00-661-7521 was assigned to the Federal Catalog?

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