4M98-4-1-17

View detailed technical data, stock status, and sourcing information for: 4M98-4-1-17
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-728-0865

Item Name Code

13206

Assigment Date

02/21/1968 (58 years ago)

A transformer consisting of one or more primary winding(s) and one or more secondary winding(s). It may be designed for direct connection to an alternating current source for purposes of changing the secondary volts and amperes or designed to eliminate metallic interconnection between circuits in an overall one to one voltage ratio, with or without additional output windings, or items designed to automatically maintain a constant output voltage within specified limits under varying input or load conditions. Also includes items having a provision for mechanically changing the turns ratio or inductive coupling in progressive increments by means of voltage taps, ratio adjuster, or devices oe similar design. For transformers having winding(s) common to both input and output circuits, see transformer (1), power, autotransformer. Excludes:transformer (1), pulse.

0.3600 inches minimum and 0.3800 inches maximum flange outside diameter, 0.1950 inches minimum and 0.2100 inches maximum overall length, 0.2540 inches minimum and 0.2570 inches maximum body inside diameter, 0.0300 inches minimum and 0.0350 inches maximum flange width, 0.3131 inches minimum and 0.3136 inches maximum body outside 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: 0.1950 inches minimum and 0.2100 inches maximum
Body Outside Diameter: 0.3131 inches minimum and 0.3136 inches maximum
Body Inside Diameter: 0.2540 inches minimum and 0.2570 inches maximum
Flange Outside Diameter: 0.3600 inches minimum and 0.3800 inches maximum
Flange Width: 0.0300 inches minimum and 0.0350 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 intermediate layer
Material: steel 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
4M98-4-1-17	Sleeve Bushing

FAQs

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

What is the FSCG of the NSN 3120-00-728-0865?

The FSCG of the NSN 3120-00-728-0865 is 3120

Does the NSN 3120-00-728-0865 have a Schedule B code assigned?

Yes, the Schedule B code is 8482997060

Does NSN 3120-00-728-0865 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 3120-00-728-0865 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-728-0865 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 3120-00-728-0865 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Feb 21, 1968