2920-00-640-7485

Find complete technical information, availability, and procurement data for: 2920-00-640-7485
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2920 Nonaircraft Engine Electrical System Components

National Stock Number

2920-00-640-7485

Item Name Code

17311

Assigment Date

01/01/1963 (63 years ago)

0.719 inches nominal thread length, cutout relay furnished items, 0.668 inches minimum and 0.669 inches maximum second step diameter, 0.125 inches nominal keyway width, right-hand thread direction

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: 0.719 inches nominal
Furnished Items: cutout relay
Second Step Diameter: 0.668 inches minimum and 0.669 inches maximum
Keyway Width: 0.125 inches nominal
Unthreaded Portion Length: 1.250 inches nominal
Mounting Hole Thread Direction: right-hand
Mounting Style: bracket mtd w/three mtg holes, top hole threaded
Environmental Protection: corrosion resistant
Keyway Length: 0.625 inches nominal
Submersibility: nonsubmersible
Shaft Rotation Direction: clockwise
Distance From End To Keyway Center: 1.344 inches nominal
Thread Diameter: 0.500 inches nominal
Maximum Output Current Rating In Amps: 11.0
Grounding Method: external
Shaft Drive End Style: straight shaft end, threaded, w/keyway
Cotter Pin Hole: included
Distance Between Shaft Center And Bottom Mounting Hole Center: 3.062 inches nominal
Distance Between Shaft Center And Top Mounting Hole Center: 3.062 inches nominal
Angular Deviation Of First Hole From Top Center In Deg: 206.0
Angular Deviation Of Second Hole From First Hole In Deg: 154.0
Distance Between Inside Surfaces Of Hinge Bracket: 6.118 inches minimum and 6.136 inches maximum
Distance Between Outside Surfaces Of Hinge Bracket: 6.830 inches minimum and 6.832 inches maximum
Bottom Mounting Hole Diameter: 0.316 inches minimum and 0.324 inches maximum
Thread Series: unf
Thread Class: 2a
Mounting Hole Thread Series Designator: unc
Mounting Hole Thread Diameter: 0.312 inches nominal
Mounting Hole Thread Quantity Per Inch: 20
Mounting Hole Thread Class: 2b
Thread Quantity Per Inch: 20
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
1101770	Engine Accessory Generator
DE56972	Engine Accessory Generator

FAQs

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

What is the FSCG of the NSN 2920-00-640-7485?

The FSCG of the NSN 2920-00-640-7485 is 2920

Does the NSN 2920-00-640-7485 have a Schedule B code assigned?

Yes, the Schedule B code is 8511500000

Does NSN 2920-00-640-7485 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 2920-00-640-7485 contain precious materials?

Precious metal content is unknown

Does NSN 2920-00-640-7485 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 2920-00-640-7485 was assigned to the Federal Catalog?

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