1102120

View detailed technical data, stock status, and sourcing information for: 1102120
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2920 Nonaircraft Engine Electrical System Components

National Stock Number

2920-00-788-9946

Item Name Code

17311

Assigment Date

01/01/1960 (66 years ago)

+0.6324 to 0.6365 inches thread pitch diameters, 0.430 inches minimum and 0.580 inches maximum thread length, 0.6684 inches minimum and 0.669 inches maximum second step diameter, right-hand thread direction, woodruff key 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 Pitch Diameters: +0.6324 to 0.6365 inches
Thread Direction: right-hand
Thread Length: 0.430 inches minimum and 0.580 inches maximum
Furnished Items: woodruff key
Second Step Diameter: 0.6684 inches minimum and 0.669 inches maximum
Keyway Width: 0.125 inches nominal
Unthreaded Portion Length: 0.750 inches minimum and 0.840 inches maximum
Mounting Hole Thread Direction: right-hand
Mounting Style: bracket mtd w/three mtg holes, top hole threaded
Keyway Length: 0.625 inches nominal
Submersibility: nonsubmersible
Shaft Rotation Direction: clockwise
Distance From End To Keyway Center: 0.900 inches nominal
Thread Diameter: 0.669 inches nominal
Ground Polarity Type: negative or positive
Armature Minimum Speed In Rpm At Full Current Output: 2630
Maximum Output Current Rating In Amps: 35.0
Grounding Method: external
Shaft Drive End Style: straight shaft end, threaded, w/keyway
Distance Between Shaft Center And Bottom Mounting Hole Center: 3.052 inches minimum and 3.072 inches maximum
Distance Between Shaft Center And Top Mounting Hole Center: 3.030 inches minimum and 3.090 inches maximum
Angular Deviation Of First Hole From Top Center In Deg: 193.0
Angular Deviation Of Second Hole From First Hole In Deg: 164.0
Distance Between Inside Surfaces Of Hinge Bracket: 7.115 inches minimum and 7.139 inches maximum
Distance Between Outside Surfaces Of Hinge Bracket: 7.875 inches minimum and 8.019 inches maximum
Bottom Mounting Hole Diameter: 0.310 inches minimum and 0.370 inches maximum
Thread Series: uns
Thread Class: 2a
Mounting Hole Thread Series Designator: unc
Mounting Hole Thread Diameter: 0.312 inches nominal
Mounting Hole Thread Quantity Per Inch: 18
Mounting Hole Thread Class: 2b
Thread Quantity Per Inch: 20
Voltage In Volts: 12.0

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2920-00-073-3450	No Name Available	08/09/1968
2920-00-593-1529	No Name Available	12/14/1966
2920-00-728-7526	No Name Available	08/14/1968
2920-00-848-4203	No Name Available	08/18/1971
2920-00-848-6545	No Name Available	09/13/1968
2920-00-870-0364	No Name Available	04/19/1968
2920-00-938-0309	No Name Available	03/03/1969

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:

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1102120	Engine Accessory Generator
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216533R3	Engine Accessory Generator
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226995R91	Engine Accessory Generator
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305107R91	Engine Accessory Generator
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FAQs

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

What is the FSCG of the NSN 2920-00-788-9946?

The FSCG of the NSN 2920-00-788-9946 is 2920

Does the NSN 2920-00-788-9946 have a Schedule B code assigned?

Yes, the Schedule B code is 8511500000

Does NSN 2920-00-788-9946 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 2920-00-788-9946 contain precious materials?

Precious metal content is unknown

Does NSN 2920-00-788-9946 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 2920-00-788-9946 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960