PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77038Rotor,generator

Prestolite Electric Inc · NSN 2920-00-431-6586 · FSC 2920 · No Item Name Available
Verified by PartsTable
NSN 2920-00-431-6586 — this item is cataloged by the U.S. Government under National Stock Number 2920-00-431-6586. Primary manufacturer part number: 77038.
Features
  • Rotor,generator — FSC 2920
  • Features Provided: SHAFT
  • Overall Diameter: 4.7620 INCHES NOMINAL IN
  • 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 2920-00-431-6586, 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 2 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2920-00-431-6586
Primary Part Number77038
Item NameRotor,generator
FSC / FSG2920 / 29 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusACTIVE
Features ProvidedSHAFT
Overall Diameter4.7620 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
1285-00-054-45421440870 INTERCHANGEABLE
Gear and Rate Integ
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5999-00-220-914577038 INTERCHANGEABLE
Contact,electrical
Telemechanics Inc
2810-00-290-676077309 INTERCHANGEABLE
Bushing,idler Gear
Textron Lycoming Inc Williamsport Plant
2920-00-431-658577308 INTERCHANGEABLE
Rotor and Slip Ring
Prestolite Electric Inc
3110-00-816-075940456-14 INTERCHANGEABLE
Bearing,ball,annular
New Hampshire Ball Bearings Inc Div Precision Division
6640-01-526-984477038 INTERCHANGEABLE
Measure,liquid
United States Plastic Corp
4730-01-717-652077038 INTERCHANGEABLE
Elbow Assembly,pipe
Viega Llc
Cross-Reference Index
Part NumberManufacturer
77309 Prestolite Electric Inc (USA)
77038 PRIMARY Prestolite Electric Inc (USA)
77038 Prestolite Electric Inc (USA)
Related Parts
1285-00-054-4542INTERCHANGEABLE
GEAR AND RATE INTEG
1440870
5999-00-220-9145INTERCHANGEABLE
CONTACT,ELECTRICAL
77038
2810-00-290-6760INTERCHANGEABLE
BUSHING,IDLER GEAR
77309
2920-00-431-6585INTERCHANGEABLE
ROTOR AND SLIP RING
77308
3110-00-816-0759INTERCHANGEABLE
BEARING,BALL,ANNULAR
40456-14
6640-01-526-9844INTERCHANGEABLE
MEASURE,LIQUID
77038
4730-01-717-6520INTERCHANGEABLE
ELBOW ASSEMBLY,PIPE
77038

Frequently Asked Questions

What is NSN 2920-00-431-6586?

NSN 2920-00-431-6586 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 2920-00-431-6586?

NSN 2920-00-431-6586 has 3 cross-referenced part numbers: 77309 (Prestolite Electric Inc), 77038 (Prestolite Electric Inc), 77038 (Prestolite Electric Inc).

What NSN replaces 2920-00-431-6586?

There are 7 known substitutes for 2920-00-431-6586: 1285-00-054-4542, 5999-00-220-9145, 2810-00-290-6760 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77038?

Key specifications for 77038: Overall Length: 7.9200 INCHES NOMINAL IN; Features Provided: SHAFT; Overall Diameter: 4.7620 INCHES NOMINAL IN. 3 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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