PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55780Rotor,generator

Prestolite Electric Inc · NSN 2920-00-075-7432 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-075-7432 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-075-7432. Primary manufacturer part number: 55780.
Features
  • Rotor,generator — FSC 2920
  • Overall Diameter: 5.8760 INCHES NOMINAL IN
  • Construction: SLOT WOUND
  • Features Provided: SHAFT
  • 3 verified cross-references
  • Primary manufacturer: Prestolite Electric Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Rotor,generator, cataloged under National Stock Number 2920-00-075-7432, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Prestolite Electric Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2920-00-075-7432
Primary Part Number55780
Item NameRotor,generator
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusACTIVE
Overall Diameter5.8760 INCHES NOMINAL IN
ConstructionSLOT WOUND
Features ProvidedSHAFT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-430-0074762-904 INTERCHANGEABLE
Switch Subassembly
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
9540-00-452-2478 INTERCHANGEABLE
Beam,structural
9540-00-528-7072 INTERCHANGEABLE
Beam,structural
6625-00-659-692055780 INTERCHANGEABLE
Ammeter
Mitsubishi Caterpillar Forklift America, Inc
4820-00-940-7941 INTERCHANGEABLE
Valve,check
6515-01-421-565755780 INTERCHANGEABLE
Regulator Assy,circ
Air Techniques, Inc.
Cross-Reference Index
Part NumberManufacturer
A020055780 Prestolite Electric Inc (USA)
55780 Prestolite Electric Inc (USA)
55780 PRIMARY Prestolite Electric Inc (USA)
Related Parts
5930-00-430-0074INTERCHANGEABLE
SWITCH SUBASSEMBLY
762-904
9540-00-452-2478INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-528-7072INTERCHANGEABLE
BEAM,STRUCTURAL
6625-00-659-6920INTERCHANGEABLE
AMMETER
55780
4820-00-940-7941INTERCHANGEABLE
VALVE,CHECK
6515-01-421-5657INTERCHANGEABLE
REGULATOR ASSY,CIRC
55780

Frequently Asked Questions

What is NSN 2920-00-075-7432?

NSN 2920-00-075-7432 is a Rotor,generator, manufactured by Prestolite Electric Inc, classified under FSC 2920 (No Item Name Available). Status: active.

What are the part numbers for NSN 2920-00-075-7432?

NSN 2920-00-075-7432 has 3 cross-referenced part numbers: A020055780 (Prestolite Electric Inc), 55780 (Prestolite Electric Inc), 55780 (Prestolite Electric Inc).

What NSN replaces 2920-00-075-7432?

There are 6 known substitutes for 2920-00-075-7432: 5930-00-430-0074, 9540-00-452-2478, 9540-00-528-7072 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55780?

Key specifications for 55780: Overall Diameter: 5.8760 INCHES NOMINAL IN; Construction: SLOT WOUND; Features Provided: SHAFT; Overall Length: 13.4690 INCHES NOMINAL IN. 4 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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