4M71A6 Self-Aligning Plain Bearing

Comprehensive specifications and application details for: 4M71A6 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: 4M71A6. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 4M71A6
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-340-5191
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 01/09/1974

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 item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

0.3745 inches minimum and 0.3750 inches maximum bore diameter, copper alloy 824 outer race member material, 0.4010 inches minimum and 0.4060 inches maximum inner member width, perforation outer race member lubrication feature, steel comp e52100 inner member material

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-340-5191 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.3745 inches minimum and 0.3750 inches maximum
Inner Member Width: 0.4010 inches minimum and 0.4060 inches maximum
Lubrication Feature: perforation outer race member
Material: copper alloy 824 outer race member
Material: steel comp e52100 inner member
Outer Member Outside Diameter: 0.8120 inches minimum and 0.8125 inches maximum
Outer Member Width: 0.3070 inches minimum and 0.3170 inches maximum
Style Designator: without insert or liner
Surface Treatment: cadmium outer race member
Surface Treatment: chromium inner member
Test Data Document: "81349-mil-i-6866 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-340-5191?: The FSCG of the NSN 3120-00-340-5191 is 3120

Does the NSN 3120-00-340-5191 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-340-5191 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 3120-00-340-5191 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-340-5191 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.