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 body 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 outside left corner corner shape, square left flange outside right 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

Find quick answers to common questions about bearing: 4M88. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

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.
When the NSN 3120-00-728-1218 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Fri, Feb 16, 1968

Price & Availability

Fill out the form to get pricing and availability details for the bearing: 4M88

Popular Bearings

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

123831
3130-01-123-7217
Ball Bearing Unit
123836
3130-01-105-3942
Ball Bearing Unit
12384
3120-01-276-7379
Sleeve Bushing
1238432
3120-00-662-8453
Sleeve Bearing
1238433
3120-00-353-7979
Sleeve Bearing Half
1238434
3120-00-353-7980
Sleeve Bearing Half Set
1238436
3120-00-306-5042
Sleeve Bearing
1238438
3120-00-173-1894
Sleeve Bearing
1238440
3120-00-173-1896
Bearing
1238441
3120-00-662-8704
Sleeve Bearing
1238443
3120-00-662-8451
Sleeve Bearing
1238448
3120-00-366-6406
Sleeve Bearing
1238449
3120-00-662-8710
Sleeve Bearing
1238458
3120-00-353-7986
Sleeve Bearing Half Set
1238459
3120-00-362-1166
Sleeve Bearing