3120-01-251-3012 Rod End Plain Bearing

Comprehensive specifications and application details for NSN: 3120-01-251-3012.

Summary

Explore detailed summary information for bearing: 3120-01-251-3012. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-251-3012
Item Name Code: 13209
Federal Item Identification Guide: A045A0
Assigment Date: 03/17/1987

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 outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes:bearing, plain, spherical and bearing, plain, self-aligning.

28.0 rockwell c minimum and 37.0 rockwell c maximum outer ring hardness rating, 39.0 rockwell c minimum and 42.0 rockwell c maximum rod end body hardness rating, 0.9995 inches minimum and 1.0000 inches maximum bore diameter, 4.1150 inches minimum and 4.1350 inches maximum bore center to shank end distance, 55.0 rockwell c minimum and 62.0 rockwell c maximum inner member hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-251-3012 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Center To Shank End Distance: 4.1150 inches minimum and 4.1350 inches maximum
Bore Diameter: 0.9995 inches minimum and 1.0000 inches maximum
Hardness Rating: 39.0 rockwell c minimum and 42.0 rockwell c maximum rod end body
Hardness Rating: 55.0 rockwell c minimum and 62.0 rockwell c maximum inner member
Hardness Rating: 28.0 rockwell c minimum and 37.0 rockwell c maximum outer ring
Inner Member Width: 1.3730 inches minimum and 1.3750 inches maximum
Overall Length: 5.5125 inches nominal
Material Document And Classification: ams 5630 assn std single material response inner member
Material Document And Classification: ams 5643 assn std single material response outer ring
Material Document And Classification: mil-s-5000 mil spec single material response rod end body
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 440c inner member
Material: steel comp 630 outer ring
Material: steel comp e4340 rod end body
Outer Member Outside Diameter: 2.7650 inches minimum and 2.7850 inches maximum
Outer Member Width: 1.0100 inches minimum and 1.0200 inches maximum
Shank Thread Length: 2.3120 inches minimum and 2.3740 inches maximum
Shank Style: externally threaded
Special Features: keyway in shank 0.093 in. min wide 0.098 in. max wide; 0.060 in. min deep 0.065 in. max deep; surface finish on ball passivate per mil-s-5002 optional
Specification/Standard Data: 81349-mil-b-81935/1a government specification
Style Designator: ball type
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment response rod end body
Surface Treatment: cadmium and chromate rod end body
Thread Class: 3a
Thread Diameter: 1.250 inches nominal
Thread Direction: right-hand
Thread Quantity Per Inch: 12
Thread Series Designator: unjf

Related Bearings

Explore the various bearing models associated with this NSN. Click on any bearing below to view detailed technical data, performance ratings, and application guidelines.

Part Number	Name
M81935/1-16K	Rod End Plain Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-01-251-3012. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-251-3012?: The FSCG of the NSN 3120-01-251-3012 is 3120

Does the NSN 3120-01-251-3012 have a Schedule B code assigned?: Yes, the Schedule B code is 8483308055

Does NSN 3120-01-251-3012 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 3120-01-251-3012 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-251-3012 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.