PartsTable TECHNICAL DATA SHEET
NSN 2920-01-668-5981Government record, cited

Regulator, Engine Generator2920-01-668-5981

NSN 2920-01-668-5981 · NIIN 016685981 · Part number 2501
Marinco Shore Power Systems · FSC 2920 — Engine Electrical System Components, Nonaircraft · FSG 29 — Engine Accessories · CAGE 1G3R2
Government record, cited
NSN 2920-01-668-5981 — this item is cataloged by the U.S. Government under National Stock Number 2920-01-668-5981. Manufacturer of record part number: 2501.
Also searched as  2920-01-668-5981 · 2920016685981 · NIIN 016685981 · 01-668-5981 · FSC 2920 Engine Electrical System Components, Nonaircraft · CAGE 1G3R2 · 2501
Nearby stock numbers  ·
Features
  • Regulator,engine Generator — FSC 2920
  • Terminal Quantity: 2
  • Special Test Features: WARNING: RISK OF EXPLOSIVE GASES; THE GUEST BATTERY ISOLATORS ARE SPECIFICALLY DESIGNED TO EFFICIENTLY UTILIZE THE ENERGY PRODUCED BY THE ALTERNATOR AND DISTRIBUTE THE POWER EVENLY TO EACH BATTERY
  • Output Current Rating in Amps: 70.0 MAXIMUM
  • Supplementary Features: RECOMMENDED WIRE SIZE: 0-15 FEET: 8AWG; 15-20 FEET: 8AWG; 20-25 FEET: 6AWG; 25-30 FEET: 6AWG FT
  • 1 manufacturer part number on file
  • Manufacturer of record: Marinco Shore Power Systems
Identification
  • NSN: 2920-01-668-5981
  • NIIN: 016685981
  • FSC: 2920 — Engine Electrical System Components, Nonaircraft
  • FSG: 29 — Engine Accessories
  • Primary part number: 2501
  • Manufacturer: Marinco Shore Power Systems
General Description

The Regulator,engine Generator, cataloged under National Stock Number 2920-01-668-5981, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Marinco Shore Power Systems. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2920-01-668-5981
Primary Part Number2501
Item NameRegulator,engine Generator
FSC / FSG2920 / 29 — Engine Electrical System Components, Nonaircraft
ManufacturerMarinco Shore Power Systems
StatusACTIVE
Terminal Quantity2
Special Test FeaturesWARNING: RISK OF EXPLOSIVE GASES; THE GUEST BATTERY ISOLATORS ARE SPECIFICALLY DESIGNED TO EFFICIENTLY UTILIZE THE ENERGY PRODUCED BY THE ALTERNATOR AND DISTRIBUTE THE POWER EVENLY TO EACH BATTERY
Output Current Rating in Amps70.0 MAXIMUM
Supplementary FeaturesRECOMMENDED WIRE SIZE: 0-15 FEET: 8AWG; 15-20 FEET: 8AWG; 20-25 FEET: 6AWG; 25-30 FEET: 6AWG FT
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
2501 PRIMARY Marinco Shore Power Systems (USA)
No interchangeability data on file.
Other items in FSC 2920 — Engine Electrical System Components, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2920-00-003-5173
2920-00-003-5173 · Item name not on file
2920-00-005-1596
2920-00-005-1596 · Item name not on file
2920-00-035-6718
2920-00-035-6718 · Item name not on file
2920-00-158-2674
REGULATOR,ENGINE GENERATOR
2920-00-255-4938
REGULATOR,ENGINE GENERATOR
2920-00-424-3259
PLATE ASSEMBLY,SEAL
2920-00-424-3259
PLATE ASSEMBLY,SEAL
2920-00-424-3259
PLATE ASSEMBLY,SEAL

Frequently Asked Questions

What is NSN 2920-01-668-5981?

NSN 2920-01-668-5981 is a Regulator,engine Generator, manufactured by Marinco Shore Power Systems, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.

What part numbers are listed for NSN 2920-01-668-5981?

NSN 2920-01-668-5981 has 1 manufacturer part number on file: 2501 (Marinco Shore Power Systems).

What are the specifications of 2501?

Key specifications for 2501: Terminal Quantity: 2; Special Test Features: WARNING: RISK OF EXPLOSIVE GASES; THE GUEST BATTERY ISOLATORS ARE SPECIFICALLY DESIGNED TO EFFICIENTLY UTILIZE THE ENERGY PRODUCED BY THE ALTERNATOR AND DISTRIBUTE THE POWER EVENLY TO EACH BATTERY; Output Current Rating in Amps: 70.0 MAXIMUM; Supplementary Features: RECOMMENDED WIRE SIZE: 0-15 FEET: 8AWG; 15-20 FEET: 8AWG; 20-25 FEET: 6AWG; 25-30 FEET: 6AWG FT. 4 specifications are documented in the U.S. Government catalog.

Is NSN 2920-01-668-5981 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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