4M88 Sleeve Bushing

Comprehensive specifications and application details for: 4M88 Sleeve Bushing.

Summary

Explore detailed summary information for bearing: 4M88. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 4M88
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-728-1218
Item Name Code: 13206
Federal Item Identification Guide: A045A0
Assigment Date: 02/16/1968

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

square left flange outside right corner corner shape, 0.1990 inches minimum and 0.2020 inches maximum body inside diameter, 0.2860 inches minimum and 0.2890 inches maximum body outside diameter, square left flange body corner corner shape, square outside left corner corner shape

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-728-1218 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter: 0.1990 inches minimum and 0.2020 inches maximum
Body Outside Diameter: 0.2860 inches minimum and 0.2890 inches maximum
Corner Shape: square left flange body corner
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
Flange Outside Diameter: 0.5520 inches minimum and 0.5720 inches maximum
Flange Width: 0.0350 inches minimum and 0.0650 inches maximum
Overall Length: 0.3400 inches minimum and 0.3600 inches maximum
Material: iron alloy 660 overall
Style Designator: solid, external flange one end
Surface Finish: 125.0 microinches inside diameter surface of body
Surface Finish: 125.0 microinches outside diameter surface of body
Surface Finish: 125.0 microinches outside diameter surface of flange
Surface Finish: 125.0 microinches left end surface of body and flange
Surface Finish: 125.0 microinches right end surface of left flange
Surface Finish: 250.0 microinches right end surface of body

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-728-1218?: The FSCG of the NSN 3120-00-728-1218 is 3120

Does the NSN 3120-00-728-1218 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997060

Does NSN 3120-00-728-1218 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 3120-00-728-1218 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-00-728-1218 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.