4M88-1-3

View detailed technical data, stock status, and sourcing information for: 4M88-1-3
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-728-1263

Item Name Code

13206

Assigment Date

02/16/1968 (58 years ago)

0.5520 inches minimum and 0.5720 inches maximum flange outside diameter, 0.2400 inches minimum and 0.2600 inches maximum body outside diameter, 0.2550 inches minimum and 0.2750 inches maximum overall length, 0.0400 inches minimum and 0.0700 inches maximum flange width, 0.1650 inches minimum and 0.1680 inches maximum body inside diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length: 0.2550 inches minimum and 0.2750 inches maximum
Body Outside Diameter: 0.2400 inches minimum and 0.2600 inches maximum
Body Inside Diameter: 0.1650 inches minimum and 0.1680 inches maximum
Flange Outside Diameter: 0.5520 inches minimum and 0.5720 inches maximum
Flange Width: 0.0400 inches minimum and 0.0700 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
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 left end surface of body and flange
Surface Finish: 125.0 microinches right end surface of left flange
Material: iron alloy 660 overall
Style Designator: solid, external flange one end

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
4M88-1-3	Sleeve Bushing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3120-00-728-1263?

The FSCG of the NSN 3120-00-728-1263 is 3120

Does the NSN 3120-00-728-1263 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-728-1263 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 3120-00-728-1263 contain precious materials?

Item does not contain precious metal.

Does NSN 3120-00-728-1263 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 3120-00-728-1263 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, Feb 16, 1968