4B21MS6-104

Comprehensive specifications and application details for: 4B21MS6-104 Sleeve Bushing.

Summary

Explore detailed summary information for bearing: 4B21MS6-104. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
4B21MS6-104
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-284-9557
Item Name Code
13206
Federal Item Identification Guide
A045A0
Assigment Date
09/03/1988

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.

mil-t-6736 mil spec 1st material response or ams 6372 assn std 2nd material response overall material document and classification, square all corners corner shape, 0.4980 inches minimum and 0.4985 inches maximum body outside diameter, 1.1200 inches minimum and 1.1250 inches maximum overall length, 0.3745 inches minimum and 0.3755 inches maximum body inside diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-284-9557 . Find dimensions, materials, tolerances, performance characteristics, etc.

Body Inside Diameter
0.3745 inches minimum and 0.3755 inches maximum
Body Outside Diameter
0.4980 inches minimum and 0.4985 inches maximum
Corner Shape
square all corners
Overall Length
1.1200 inches minimum and 1.1250 inches maximum
Material Document And Classification
mil-t-6736 mil spec 1st material response or ams 6372 assn std 2nd material response overall
Material
steel comp 4130 or steel comp 4135 overall
Specification/Standard Data
43999-ld137-0017 manufacturers standard
Style Designator
solid, plain, no outside flanges
Surface Finish
16.0 microinches overall
Surface Treatment Document And Classification
qq-c-320,class 2 fed spec single treatment response outside diameter surface of body
Surface Treatment
chromium outside diameter surface of body

Frequently Asked Questions

Find quick answers to common questions about bearing: 4B21MS6-104. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-284-9557?
The FSCG of the NSN 3120-01-284-9557 is 3120
Does the NSN 3120-01-284-9557 have a Schedule B code assigned?
Yes, the Schedule B code is 8482997060
Does NSN 3120-01-284-9557 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 3120-01-284-9557 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-284-9557 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 3120-01-284-9557 was assigned to the Federal Catalog?
It was assigned 36 years ago, on Sat, Sep 3, 1988

Price & Availability

Fill out the form to get pricing and availability details for the bearing: 4B21MS6-104

Popular Bearings

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

20408DT
3110-00-156-6833
Duplex Ball Bearing
20408DU
3110-00-156-6833
Duplex Ball Bearing
2040948-1
3120-01-155-8712
Sleeve Bushing
20409DT
3110-00-156-6849
Duplex Ball Bearing
20409DU
3110-00-156-6849
Duplex Ball Bearing
2040H21
3110-00-554-3265
Annular Ball Bearing
2040H23
3110-00-144-8662
Annular Ball Bearing
2041
3110-00-156-4243
Annular Ball Bearing
20410
3110-00-156-6862
Annular Ball Bearing
204101-001
3120-01-353-9505
Linear-Rotary Motion Roller
204108-001
3120-01-041-4671
Linear-Rotary Motion Roller
2041081-1
3120-01-132-3473
Sleeve Bearing
2041082-1
3120-01-130-9121
Sleeve Bearing
204109-29
3120-01-416-8339
Sleeve Bushing
20410DT
3110-00-156-6863
Duplex Ball Bearing