3120-01-206-5187

Find complete technical information, availability, and procurement data for: 3120-01-206-5187
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-206-5187

Item Name Code

13206

Assigment Date

04/19/1985 (41 years ago)

A threaded or tempered item used to secure the stud, turnlock fastener or stud assembly, turnlock fastener by engaging with the cross pin, cam lead threads, or eared nut of the stud, turnlock fastener and securing it by means of its thread locking or spring action.

0.2120 inches nominal overall length, 0.0600 inches minimum and 0.0620 inches maximum flange width, 0.4391 inches minimum and 0.4396 inches maximum body outside diameter, 0.5520 inches minimum and 0.5720 inches maximum flange outside diameter, 0.3060 inches minimum and 0.3075 inches maximum body inside diameter

Product Characteristics

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

Overall Length: 0.2120 inches nominal
Body Outside Diameter: 0.4391 inches minimum and 0.4396 inches maximum
Body Inside Diameter: 0.3060 inches minimum and 0.3075 inches maximum
Flange Outside Diameter: 0.5520 inches minimum and 0.5720 inches maximum
Flange Width: 0.0600 inches minimum and 0.0620 inches maximum
Corner Shape: square left flange outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Corner Shape: undercut left flange body corner
Material: copper alloy 630 overall
Material Document And Classification: ams 4640 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment response overall
Style Designator: solid, external flange one end

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3120-01-216-2862	No Name Available	03/01/1988

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
4M139P5-015	Sleeve Bushing
4M139P5-15	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-01-206-5187?

The FSCG of the NSN 3120-01-206-5187 is 3120

Does the NSN 3120-01-206-5187 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-01-206-5187 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 3120-01-206-5187 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-206-5187 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 3120-01-206-5187 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Apr 19, 1985