PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1-100Alternator,brushless

C E Niehoff & Co · NSN 2920-01-083-8225 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-01-083-8225 — this item is cataloged by the U.S. Government under National Stock Number 2920-01-083-8225. Primary manufacturer part number: A1-100.
Features
  • Alternator,brushless — FSC 2920
  • General Characteristics Item Description: NON-ARCING;NEGATIVE GROUND POLARITY;15 AMPERES OUTPUT AT IDLE SPEED; MAXIMUN OUTPUT 45 AMPERES;MAXIMUM RECOMMENDED RPM 15000;OPERATES WITH CLOCKWISE OR COUNTERCLOCKWISE ROTATION;CAPABLEOF SUSTAINED MAXIMUM OPERATION IN 200 DEGREE FAHRENHEIT AMBIENT TEMPERATURE;FORGED STEEL FRONT HOUSING AND LUGS;OVERALL DIMENSIONS SHAFT DIAMETER 0.669 INCH,DIAMETER 5.500 INCHES,DEPTH 5.500INCHES;MOUNTING DATA TWO MOUNTING HOLES-LOWER MOUNTING 0.438 INCH BORE AND TWO INCHES THICK-UPPER MOUNTING THREADED 0.312-18 AND 0.625 INCH THICK;CENTER TO CENTER MOUNTING 6.625 INCHES IN
  • 2 verified cross-references
  • Primary manufacturer: C E Niehoff & Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Alternator,brushless, cataloged under National Stock Number 2920-01-083-8225, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is C E Niehoff & Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2920-01-083-8225
Primary Part NumberA1-100
Item NameAlternator,brushless
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerC E Niehoff & Co
StatusACTIVE
General Characteristics Item DescriptionNON-ARCING;NEGATIVE GROUND POLARITY;15 AMPERES OUTPUT AT IDLE SPEED; MAXIMUN OUTPUT 45 AMPERES;MAXIMUM RECOMMENDED RPM 15000;OPERATES WITH CLOCKWISE OR COUNTERCLOCKWISE ROTATION;CAPABLEOF SUSTAINED MAXIMUM OPERATION IN 200 DEGREE FAHRENHEIT AMBIENT TEMPERATURE;FORGED STEEL FRONT HOUSING AND LUGS;OVERALL DIMENSIONS SHAFT DIAMETER 0.669 INCH,DIAMETER 5.500 INCHES,DEPTH 5.500INCHES;MOUNTING DATA TWO MOUNTING HOLES-LOWER MOUNTING 0.438 INCH BORE AND TWO INCHES THICK-UPPER MOUNTING THREADED 0.312-18 AND 0.625 INCH THICK;CENTER TO CENTER MOUNTING 6.625 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-093-8122A1100 INTERCHANGEABLE
Switch,rotary
Shallco, Inc
8455-00-132-1106 INTERCHANGEABLE
Insignia,shoulder Sleeve
5940-00-197-8685 INTERCHANGEABLE
Terminal,lug
3439-00-254-5030 INTERCHANGEABLE
Rod,welding
5360-00-266-4286A453 INTERCHANGEABLE
Spring,helical,compression
Crane Co Div Valve Div
4920-00-334-5126A453 INTERCHANGEABLE
Fixture,aircraft Maintenance
General Electric Company
1680-00-348-9206321940 INTERCHANGEABLE
Actuator,mechanical,aircraft
Hydro-Aire Aerospace Corp
5910-00-989-6427 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
4921-01-029-9529A1100 INTERCHANGEABLE
Dispenser,pressuriz
Ordnance Technology Service, Inc.
5310-01-135-3368500038 INTERCHANGEABLE
Nut
Niantic Tool, Inc. Dba Niantic Tool Co
Cross-Reference Index
Part NumberManufacturer
A1-100 PRIMARY C E Niehoff & Co (USA)
A45-3 C E Niehoff & Co (USA)
Related Parts
5930-00-093-8122INTERCHANGEABLE
SWITCH,ROTARY
A1100
8455-00-132-1106INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
5940-00-197-8685INTERCHANGEABLE
TERMINAL,LUG
3439-00-254-5030INTERCHANGEABLE
ROD,WELDING
5360-00-266-4286INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A453
4920-00-334-5126INTERCHANGEABLE
FIXTURE,AIRCRAFT MAINTENANCE
A453
1680-00-348-9206INTERCHANGEABLE
ACTUATOR,MECHANICAL,AIRCRAFT
321940
5910-00-989-6427INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
4921-01-029-9529INTERCHANGEABLE
DISPENSER,PRESSURIZ
A1100
5310-01-135-3368INTERCHANGEABLE
NUT
500038
3410-01-207-8141INTERCHANGEABLE
HEAD ASSEMBLY
6530-01-257-5087INTERCHANGEABLE
URINAL,INCONTINENT
A-1100

Frequently Asked Questions

What is NSN 2920-01-083-8225?

NSN 2920-01-083-8225 is a Alternator,brushless, manufactured by C E Niehoff & Co, classified under FSC 2920 (No Item Name Available). Status: active.

What are the part numbers for NSN 2920-01-083-8225?

NSN 2920-01-083-8225 has 2 cross-referenced part numbers: A1-100 (C E Niehoff & Co), A45-3 (C E Niehoff & Co).

What NSN replaces 2920-01-083-8225?

There are 12 known substitutes for 2920-01-083-8225: 5930-00-093-8122, 8455-00-132-1106, 5940-00-197-8685 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1-100?

Key specifications for A1-100: General Characteristics Item Description: NON-ARCING;NEGATIVE GROUND POLARITY;15 AMPERES OUTPUT AT IDLE SPEED; MAXIMUN OUTPUT 45 AMPERES;MAXIMUM RECOMMENDED RPM 15000;OPERATES WITH CLOCKWISE OR COUNTERCLOCKWISE ROTATION;CAPABLEOF SUSTAINED MAXIMUM OPERATION IN 200 DEGREE FAHRENHEIT AMBIENT TEMPERATURE;FORGED STEEL FRONT HOUSING AND LUGS;OVERALL DIMENSIONS SHAFT DIAMETER 0.669 INCH,DIAMETER 5.500 INCHES,DEPTH 5.500INCHES;MOUNTING DATA TWO MOUNTING HOLES-LOWER MOUNTING 0.438 INCH BORE AND TWO INCHES THICK-UPPER MOUNTING THREADED 0.312-18 AND 0.625 INCH THICK;CENTER TO CENTER MOUNTING 6.625 INCHES IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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