2920-00-457-8654

Find complete technical information, availability, and procurement data for: 2920-00-457-8654
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2920 Nonaircraft Engine Electrical System Components

National Stock Number

2920-00-457-8654

Item Name Code

17311

Assigment Date

04/30/1969 (57 years ago)

0.500 inches nominal thread length, 3.125 inches nominal pilot diameter, 1.062 inches nominal second step diameter, right-hand thread direction, lead assembly and bushing package and cooling fan and nut and screw furnished items

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: 0.500 inches nominal
Pilot Diameter: 3.125 inches nominal
Furnished Items: lead assembly and bushing package and cooling fan and nut and screw
Second Step Diameter: 1.062 inches nominal
Keyway Width: 0.156 inches nominal
Unthreaded Portion Length: 1.062 inches nominal
Mounting Style: flange mtd w/three mtg holes
Center To Center Distance Between Mounting Holes Along Width: 4.812 inches nominal
Pilot Height: 0.125 inches nominal
Keyway Length: 0.562 inches nominal
Submersibility: nonsubmersible
Shaft Rotation Direction: clockwise or counterclockwise
Distance From End To Keyway Center: 1.125 inches nominal
Thread Diameter: 0.500 inches nominal
Ground Polarity Type: negative or positive
Rectifier Location: integral
Grounding Method: internal
Shaft Drive End Style: straight shaft end, threaded, w/keyway
Distance Between Shaft Center And Bottom Mounting Hole Center: 4.375 inches nominal
Top Mounting Hole Diameter: 0.375 inches nominal
Bottom Mounting Hole Diameter: 0.375 inches nominal
Center To Center Distance Between Top Mounting Slot And Bottom Mounting Hole: 8.000 inches nominal
Thread Series: unf
Thread Class: 2a
Thread Quantity Per Inch: 20
Voltage In Volts: 28.0

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2920-00-956-0741	No Name Available	05/01/1979

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
0624D0304	Engine Accessory Generator
2086A	Engine Accessory Generator
2086AA	Engine Accessory Generator
210090H1	Engine Accessory Generator
2303J	Engine Accessory Generator
A0012086AA	Engine Accessory Generator

FAQs

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

What is the FSCG of the NSN 2920-00-457-8654?

The FSCG of the NSN 2920-00-457-8654 is 2920

Does the NSN 2920-00-457-8654 have a Schedule B code assigned?

Yes, the Schedule B code is 8511500000

Does NSN 2920-00-457-8654 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 2920-00-457-8654 contain precious materials?

Precious metal content is unknown

Does NSN 2920-00-457-8654 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 2920-00-457-8654 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Apr 30, 1969