4143-3121 Sleeve Bushing

Comprehensive specifications and application details for: 4143-3121 Sleeve Bushing.

Summary

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Part Number: 4143-3121
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-237-2157
Item Name Code: 13206
Federal Item Identification Guide: A045A0
Assigment Date: 07/26/1986

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, 0.2500 inches minimum and 0.2510 inches maximum body inside diameter, round left flange body corner corner shape, 0.2960 inches minimum and 0.3000 inches maximum body outside diameter, 1 hole antirotation/lubrication type and quantity

Datasheet

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Antirotation/Lubrication Type And Quantity: 1 hole
Body Inside Diameter: 0.2500 inches minimum and 0.2510 inches maximum
Body Outside Diameter: 0.2960 inches minimum and 0.3000 inches maximum
Corner Shape: round 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: 0.4500 inches minimum and 0.4680 inches maximum
Flange Width: 0.0780 inches minimum and 0.1100 inches maximum
Hole Diameter: 0.1200 inches minimum and 0.1300 inches maximum first
Overall Length: 0.5260 inches minimum and 0.5360 inches maximum
Material: aluminum alloy 2011 overall
Special Features: make from 4143-3120; assemble 7250-0600 in tapped hole; nha 6625010475660
Style Designator: solid, external flange one end
Surface Groove Location And Quantity: 1 external

Frequently Asked Questions

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What is the FSCG of the NSN 3120-01-237-2157?: The FSCG of the NSN 3120-01-237-2157 is 3120

Does the NSN 3120-01-237-2157 have a Schedule B code assigned?: Yes, the Schedule B code is 8482997060

Does NSN 3120-01-237-2157 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 3120-01-237-2157 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-237-2157 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.