3120-01-014-8990

Find complete technical information, availability, and procurement data for: 3120-01-014-8990
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-014-8990

Item Name Code

13209

Assigment Date

01/08/1976 (50 years ago)

An item of any peripheral shape usually having one flat or spherical surface and a centrally located hole. It is designed for applications involving moving (kinetic) loads. Except for items fabricated from bearing quality synthetic (plastic) or composed of multilayer material, one bearing surface must either have a specific surface finish designation of 32 microinch (0.8 micrometre) or less, arithmetical average (aa) (arithmetic mean deviation) or one of the following conditions: be lapped or ground; have visible or detectable means of lubrication; grooves, indentations; or self-lubrication. The thickness must not exceed 25 percent of the outside diameter of the shortest distance between peripheral flats (when thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance). Excludes:straight, tubular (without flange) items having a bearing surface(s) parallel to the axis of the bore only. See also washer, flat and spacer, sleeve.

right-hand thread direction, 0.6245 inches minimum and 0.6250 inches maximum bore diameter, 3a thread class, 3.3725 inches minimum and 3.4025 inches maximum 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: 3.3725 inches minimum and 3.4025 inches maximum
Bore Diameter: 0.6245 inches minimum and 0.6250 inches maximum
Outer Member Outside Diameter: 1.5150 inches minimum and 1.5350 inches maximum
Bore Center To Shank End Distance: 2.6150 inches minimum and 2.6350 inches maximum
Outer Member Width: 0.5720 inches minimum and 0.5820 inches maximum
Inner Member Width: 0.7480 inches minimum and 0.7500 inches maximum
Shank Thread Length: 1.5310 inches minimum and 1.5930 inches maximum
Static Radial Load Rating: 21900 pounds
Thread Diameter: 0.625 inches nominal
Thread Quantity Per Inch: 18
Hardness Rating: 39.0 rockwell c minimum and 42.0 rockwell c maximum rod end body
Special Features: keyway in shank
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 440c inner member
Material: steel comp 630 or steel comp 631 or steel comp 410 race insert
Material: steel comp e4340 rod end body
Material Document And Classification: ams 5643 assn std 1st material response or ams 5528 assn std 2nd material response or aisi 410 assn std 3rd material response race insert
Surface Treatment: cadmium rod end body
Surface Treatment: passivate race insert
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response race insert
Surface Treatment Document And Classification: qq-p-46 ty 1 cl 1 fed 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
3120-01-136-5792	No Name Available	07/01/1997

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
M81935/1-10K	Rod End Plain Bearing
MIL-B-81935	Rod End Plain Bearing
MS21242S10K	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-014-8990?

The FSCG of the NSN 3120-01-014-8990 is 3120

Does the NSN 3120-01-014-8990 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-01-014-8990 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3120-01-014-8990 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-01-014-8990 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 3120-01-014-8990 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Thu, Jan 8, 1976