4B18-7-102

Comprehensive specifications and application details for: 4B18-7-102 Sleeve Bushing.

Summary

Explore detailed summary information for bearing: 4B18-7-102. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
4B18-7-102
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-00-524-3801
Item Name Code
13206
Federal Item Identification Guide
A045A0
Assigment Date
01/01/1963

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.

0.0580 inches minimum and 0.0680 inches maximum flange width, 0.6780 inches minimum and 0.6980 inches maximum flange outside diameter, 0.5600 inches minimum and 0.5620 inches maximum body outside diameter, square all corners corner shape, 0.3960 inches minimum and 0.4160 inches maximum body inside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-524-3801 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
0.3960 inches minimum and 0.4160 inches maximum
Body Outside Diameter
0.5600 inches minimum and 0.5620 inches maximum
Corner Shape
square all corners
Flange Outside Diameter
0.6780 inches minimum and 0.6980 inches maximum
Flange Width
0.0580 inches minimum and 0.0680 inches maximum
Hardness Rating
80.5 rockwell b minimum and 89.7 rockwell b maximum overall
Overall Length
0.2800 inches minimum and 0.2950 inches maximum
Material Document And Classification
qq-b-746,gr a fed spec single material response overall
Material
copper alloy 510 overall
Style Designator
solid, external flange one end
Surface Finish
125.0 microinches left end surface of body and flange
Surface Finish
250.0 microinches outside diameter surface of body
Surface Finish
250.0 microinches inside diameter surface of body
Surface Finish
250.0 microinches outside diameter surface of flange
Surface Finish
250.0 microinches right end surface of body
Surface Finish
250.0 microinches right end surface of left flange
Surface Treatment
cadmium overall

Frequently Asked Questions

Find quick answers to common questions about bearing: 4B18-7-102. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-524-3801?
The FSCG of the NSN 3120-00-524-3801 is 3120
Does the NSN 3120-00-524-3801 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997060
Does NSN 3120-00-524-3801 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 3120-00-524-3801 contain precious materials?
Precious metal content is unknown
Does NSN 3120-00-524-3801 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.
When the NSN 3120-00-524-3801 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

Price & Availability

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