4B20

Comprehensive specifications and application details for: 4B20 Sleeve Bushing.

Summary

Explore detailed summary information for bearing: 4B20. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
4B20
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-086-8618
Item Name Code
13206
Federal Item Identification Guide
A045A0
Assigment Date
12/06/1979

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 outside left corner corner shape, square left flange outside right corner corner shape, 0.3760 inches minimum and 0.3765 inches maximum body outside diameter, relief groove left flange body corner corner shape, 0.2495 inches minimum and 0.2505 inches maximum body inside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-086-8618 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
0.2495 inches minimum and 0.2505 inches maximum
Body Outside Diameter
0.3760 inches minimum and 0.3765 inches maximum
Corner Shape
relief groove 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
0.4900 inches minimum and 0.5100 inches maximum
Flange Width
0.0570 inches minimum and 0.0620 inches maximum
Overall Length
0.1770 inches minimum and 0.1920 inches maximum
Special Features
relief groove optional
Style Designator
solid, external flange one end

Frequently Asked Questions

Find quick answers to common questions about bearing: 4B20. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-086-8618?
The FSCG of the NSN 3120-01-086-8618 is 3120
Does the NSN 3120-01-086-8618 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997060
Does NSN 3120-01-086-8618 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 3120-01-086-8618 contain precious materials?
Precious metal content is unknown
Does NSN 3120-01-086-8618 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 3120-01-086-8618 was assigned to the Federal Catalog?
It was assigned 45 years ago, on Thu, Dec 6, 1979

Price & Availability

Fill out the form to get pricing and availability details for the bearing: 4B20

Popular Bearings

Browse our selection of high-demand, high-performance bearings:

4800-60V1705PC26
3120-00-294-0096
Thrust Washer Bearing
4800-60V1709APC7
3120-00-294-0096
Thrust Washer Bearing
4800-60V1709PC7
3120-00-294-0096
Thrust Washer Bearing
4800-60V1716PC26
3120-00-294-0096
Thrust Washer Bearing
480000
3120-00-343-7308
Sleeve Bearing
48001
3120-01-524-9714
Sleeve Bushing
48004
3120-01-524-9711
Sleeve Bushing
4800845411
3120-01-292-6196
Sleeve Bushing
4800M-97
3110-01-268-2554
Annular Ball Bearing
4801-521854PC21T023
3120-00-382-7616
Lower Bearing
4801-521858PC21T023
3120-00-382-7616
Lower Bearing
4801-593942ALT1PC21T023
3120-00-382-7616
Lower Bearing
4801-70363PC18
3120-00-096-7582
Bearing Brasses
4801-70363PC19
3120-00-096-7583
Bearing Brasses
4801-70363PC20
3120-00-096-7584
Bearing Brasses