PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G18EAir Conditioner

Drs Environmental Systems Inc · NSN 4120-00-555-1282 · FSC 4120 · No Item Name Available
Verified by PartsTable
NSN 4120-00-555-1282 — this item is cataloged by the U.S. Government under National Stock Number 4120-00-555-1282. Primary manufacturer part number: G18E.
Features
  • Air Conditioner — FSC 4120
  • Phase: THREE
  • Coolant Type: FREON-12
  • Condenser Cooling Type: AIR
  • Surface Treatment: PAINT
  • Cooling Capacity in Btu Per Hour: 138000.0 NOMINAL
  • Features Provided: EVAPORATIVE CONDENSER
  • Mounting Type: TRAILER
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Air Conditioner, cataloged under National Stock Number 4120-00-555-1282, is classified within Federal Supply Class 4120 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Drs Environmental Systems Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4120-00-555-1282
Primary Part NumberG18E
Item NameAir Conditioner
FSC / FSG4120 / 41 — No Item Name Available
ManufacturerDrs Environmental Systems Inc
StatusACTIVE
PhaseTHREE
Coolant TypeFREON-12
Condenser Cooling TypeAIR
Surface TreatmentPAINT
Cooling Capacity in Btu Per Hour138000.0 NOMINAL
Features ProvidedEVAPORATIVE CONDENSER
Mounting TypeTRAILER
Cabinet MaterialSTEEL
Compressor Unit TypeCLOSED
Usage DesignCOMPRESSOR,CONDENSER,EVAPORATOR
Frequency Rating60.0 HERTZ NOMINAL
Nondefinitive Spec/std DataMA-3M TYPE
Nominal Cooling Capacity1200.0 CUBIC FEET PER MINUTE
Current TypeAC
Electric Motor Quantity3
Power SourceELECTRIC MOTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4120-00-618-3286 INTERCHANGEABLE
Air Conditioner
Cross-Reference Index
Part NumberManufacturer
G18E Drs Environmental Systems Inc (USA)
8-96118 Hughes Missile Systems Co San Diego (USA)
G18E Keco Industries, Inc. (USA)
8-96118 Raytheon Company (USA)
G18E Hdt Expeditionary Systems Inc (USA)
MILA26624AAM32C7 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MA3M Aeronautical and Aeronautical Support Equipment Type Designation System/mil Std 875/
MILA27491 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILA26624TYPEAM32C5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4120-00-618-3286INTERCHANGEABLE
AIR CONDITIONER

Frequently Asked Questions

What is NSN 4120-00-555-1282?

NSN 4120-00-555-1282 is a Air Conditioner, manufactured by Drs Environmental Systems Inc, classified under FSC 4120 (No Item Name Available). Status: active.

What are the part numbers for NSN 4120-00-555-1282?

NSN 4120-00-555-1282 has 9 cross-referenced part numbers: G18E (Drs Environmental Systems Inc), 8-96118 (Hughes Missile Systems Co San Diego), G18E (Keco Industries, Inc.), 8-96118 (Raytheon Company), G18E (Hdt Expeditionary Systems Inc) and 4 more.

What NSN replaces 4120-00-555-1282?

There is 1 known substitute for 4120-00-555-1282: 4120-00-618-3286. Verify interchangeability with system specifications before substitution.

What are the specifications of G18E?

Key specifications for G18E: Phase: THREE; Coolant Type: FREON-12; Condenser Cooling Type: AIR; Surface Treatment: PAINT. 17 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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