3120-01-253-3040 Rod End Plain Bearing

Comprehensive specifications and application details for NSN: 3120-01-253-3040.

Summary

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Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-253-3040
Item Name Code: 13209
Federal Item Identification Guide: A045A0
Assigment Date: 04/16/1987

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 race insert hardness rating, 0.4350 inches minimum and 0.4370 inches maximum inner member width, 1.6150 inches minimum and 1.6350 inches maximum bore center to shank end distance, 57.0 rockwell c minimum and 63.0 rockwell c maximum inner member hardness rating, 0.3120 inches minimum and 0.3125 inches maximum bore diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-253-3040 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.3120 inches minimum and 0.3125 inches maximum
Bore Center To Shank End Distance: 1.6150 inches minimum and 1.6350 inches maximum
Hardness Rating: 57.0 rockwell c minimum and 63.0 rockwell c maximum inner member
Hardness Rating: 28.0 rockwell c minimum and 37.0 rockwell c maximum race insert
Inner Member Width: 0.4350 inches minimum and 0.4370 inches maximum
Inspection Hole Center To End Distance: 0.4170 inches minimum and 0.4570 inches maximum
Overall Length: 2.0750 inches nominal
Material Document And Classification: mil-s-7420 mil spec 1st material response or ams-6440 assn std 1st material response or qq-s-763 fed spec 2nd material response inner member
Material: steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1025 or steel comp 1026 or steel comp 1029 or steel comp 1030 or steel or steel comp 630 or steel comp 631 rod end body
Material: steel comp 410 or steel comp 630 or steel comp 631 race insert
Material: steel comp e52100 or steel comp 440c inner member
Outer Member Outside Diameter: 0.8900 inches minimum and 0.9100 inches maximum
Outer Member Width: 0.3220 inches minimum and 0.3320 inches maximum
Shank Width Across Wrench Flats: 0.4900 inches minimum and 0.5020 inches maximum
Shank Style: internally threaded w/hexagon end and inspection hole
Shank Thread Length: 1.0000 inches maximum
Special Features: race insert id dry film lubricant per mil-l-8937;rod end body finish not for cres optional material;threads on shank optional thread classification unf-3b
Style Designator: ball type
Surface Treatment Document And Classification: qq-c-320,type 1 or 2,class 2 fed spec single treatment response inner member
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec 1st treatment response or astm b633,type 2 assn std 2nd treatment response rod end body
Surface Treatment: cadmium and chromate or zinc and chromate rod end body
Surface Treatment: chromium inner member
Thread Class: 3b
Thread Diameter: 0.3125 inches nominal
Thread Direction: right-hand
Thread Quantity Per Inch: 24
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
12349725-1	Rod End Plain Bearing

Frequently Asked Questions

Find quick answers to common questions about bearing: 3120-01-253-3040. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-253-3040?: The FSCG of the NSN 3120-01-253-3040 is 3120

Does the NSN 3120-01-253-3040 have a Schedule B code assigned?: Yes, the Schedule B code is 8483308055

Does NSN 3120-01-253-3040 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 3120-01-253-3040 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-253-3040 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.