PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MB18Generator Set,diesel Engine

Department of the Air Force · NSN 6115-00-689-4485 · FSC 6115 · No Item Name Available
Verified by PartsTable
NSN 6115-00-689-4485 — this item is cataloged by the U.S. Government under National Stock Number 6115-00-689-4485. Primary manufacturer part number: MB18.
Features
  • Generator Set,diesel Engine — FSC 6115
  • Power Factor in Percent: 0.8
  • Housing Type: INCLOSED
  • Prime Mover Identifying Number: D298ER MODEL NO.
  • Current Type: AC
  • Cranking Voltage in Volts: 24.0
  • Inclosure Type: FULLY INCLOSED
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Generator Set,diesel Engine, cataloged under National Stock Number 6115-00-689-4485, is classified within Federal Supply Class 6115 (No Item Name Available) of the Electric Wire, Power, and Distribution Equipment group. The primary manufacturer of record is Department of the Air Force. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN6115-00-689-4485
Primary Part NumberMB18
Item NameGenerator Set,diesel Engine
FSC / FSG6115 / 61 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusACTIVE
Power Factor in Percent0.8
Housing TypeINCLOSED
Prime Mover Identifying NumberD298ER MODEL NO.
Current TypeAC
Cranking Voltage in Volts24.0
Inclosure TypeFULLY INCLOSED
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Prime Mover Starting MethodELECTRIC MOTOR
Prime Mover Manufacturer NameHERCULES ENGINE CO
Excitor TypeSEPARATELY EXCITED
Ambient Temp in Deg Celsius25.0
Line to Line Voltage in Volts416.0 AND 208.0 AND 380.0 AND 190.0
Temp Rise Rating in Deg Celsius for Continuous Operation60.0
AC Wattage Rating30.0 KILOWATTS AND 22.5 KILOWATTS
PhaseTHREE
Cooling MethodRADIATOR
Line to Neutral Voltage in Volts240.0 AND 120.0 AND 220.0 AND 110.0
Identifying Number101-10034 PART NO.
Mounting TypeSKID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6115-00-081-203066D44463 INTERCHANGEABLE
Generator Set,diesel Engine
Warner Robins Air Logistics Center
6115-00-081-2031 INTERCHANGEABLE
Generator Set,diesel Engine
6115-00-081-2032 INTERCHANGEABLE
Generator Set,diesel Engine
6115-00-081-2033 INTERCHANGEABLE
Generator Set,diesel Engine
6115-00-081-2034 INTERCHANGEABLE
Generator Set,diesel Engine
6115-00-081-2035 INTERCHANGEABLE
Generator Set,diesel Engine
6115-00-081-203666D44458 INTERCHANGEABLE
Generator Set,diesel Engine
Warner Robins Air Logistics Center
6115-00-233-6444 INTERCHANGEABLE
Generator Set,diesel Engine
6115-00-689-4486 INTERCHANGEABLE
Generator Set,diesel Engine
6115-00-689-448866D44463-501 INTERCHANGEABLE
Generator Set,diesel Engine
Warner Robins Air Logistics Center
Cross-Reference Index
Part NumberManufacturer
MB18 Department of the Air Force (USA)
MILG26727 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
66D44467-501 Sacramento Air Logistics Center Sm-Alc/liil (USA)
Related Parts
6115-00-081-2030INTERCHANGEABLE
GENERATOR SET,DIESEL ENGINE
66D44463
6115-00-081-2031INTERCHANGEABLE
GENERATOR SET,DIESEL ENGINE
6115-00-081-2032INTERCHANGEABLE
GENERATOR SET,DIESEL ENGINE
6115-00-081-2033INTERCHANGEABLE
GENERATOR SET,DIESEL ENGINE
6115-00-081-2034INTERCHANGEABLE
GENERATOR SET,DIESEL ENGINE
6115-00-081-2035INTERCHANGEABLE
GENERATOR SET,DIESEL ENGINE
6115-00-081-2036INTERCHANGEABLE
GENERATOR SET,DIESEL ENGINE
66D44458
6115-00-233-6444INTERCHANGEABLE
GENERATOR SET,DIESEL ENGINE
6115-00-689-4486INTERCHANGEABLE
GENERATOR SET,DIESEL ENGINE
6115-00-689-4488INTERCHANGEABLE
GENERATOR SET,DIESEL ENGINE
66D44463-501
6115-00-689-4489INTERCHANGEABLE
GENERATOR SET,DIESEL ENGINE
66D44458-501
2520-00-847-9044INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR

Frequently Asked Questions

What is NSN 6115-00-689-4485?

NSN 6115-00-689-4485 is a Generator Set,diesel Engine, manufactured by Department of the Air Force, classified under FSC 6115 (No Item Name Available). Status: active.

What are the part numbers for NSN 6115-00-689-4485?

NSN 6115-00-689-4485 has 3 cross-referenced part numbers: MB18 (Department of the Air Force), MILG26727 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 66D44467-501 (Sacramento Air Logistics Center Sm-Alc/liil).

What NSN replaces 6115-00-689-4485?

There are 12 known substitutes for 6115-00-689-4485: 6115-00-081-2030, 6115-00-081-2031, 6115-00-081-2032 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MB18?

Key specifications for MB18: Power Factor in Percent: 0.8; Housing Type: INCLOSED; Prime Mover Identifying Number: D298ER MODEL NO.; Current Type: AC. 22 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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