2920-00-640-7889

Find complete technical information, availability, and procurement data for: 2920-00-640-7889
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2920 Nonaircraft Engine Electrical System Components

National Stock Number

2920-00-640-7889

Item Name Code

17311

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 0.438 inches nominal slot width, 3.624 inches nominal pilot diameter, 0.438 inches nominal thread length, 1.750 inches nominal slot length

Product Characteristics

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

Thread Direction: right-hand
Thread Length: 0.438 inches nominal
Pilot Diameter: 3.624 inches nominal
Slot Width: 0.438 inches nominal
Slot Length: 1.750 inches nominal
First Step Diameter: 0.499 inches nominal
First Step Length: 0.562 inches nominal
Third Step Diameter: 0.750 inches nominal
Third Step Length: 0.750 inches nominal
Mounting Style: flange mtd w/two mtg slots and one mtg hole
Pilot Height: 0.188 inches nominal
Center To Center Distance Between Mounting Slots: 3.250 inches nominal
Submersibility: nonsubmersible
Shaft Rotation Direction: clockwise
Thread Diameter: 0.625 inches nominal
Maximum Output Current Rating In Amps: 12.0
Grounding Method: external
Shaft Drive End Style: straight shaft end, threaded w/double keyway
Cotter Pin Hole: included
Distance Between Shaft Center And Bottom Mounting Hole Center: 2.812 inches nominal
Bottom Mounting Hole Diameter: 0.406 inches nominal
Center To Center Distance Between Top Mounting Slot And Bottom Mounting Hole: 5.375 inches nominal
Distance From End To First Keyway Center: 0.312 inches nominal
First Keyway Width: 0.125 inches nominal
First Keyway Length: 0.500 inches nominal
Distance From End To Second Keyway Center: 1.562 inches nominal
Second Keyway Length: 0.625 inches nominal
Second Keyway Width: 0.156 inches nominal
Maximum Rated Armature Speed In Rpm: 1500
Thread Series: unf
Thread Class: 2a
Thread Quantity Per Inch: 18
Voltage In Volts: 12.0

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
E59426M	Engine Accessory Generator

FAQs

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

What is the FSCG of the NSN 2920-00-640-7889?

The FSCG of the NSN 2920-00-640-7889 is 2920

Does the NSN 2920-00-640-7889 have a Schedule B code assigned?

Yes, the Schedule B code is 8511500000

Does NSN 2920-00-640-7889 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 2920-00-640-7889 contain precious materials?

Item does not contain precious metal.

Does NSN 2920-00-640-7889 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 2920-00-640-7889 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963