PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18000-05Air Conditioner

Drs Environmental Systems Inc · NSN 4120-00-541-6792 · FSC 4120 · No Item Name Available
Verified by PartsTable
NSN 4120-00-541-6792 — this item is cataloged by the U.S. Government under National Stock Number 4120-00-541-6792. Primary manufacturer part number: 18000-05.
Features
  • Air Conditioner — FSC 4120
  • Compressor Unit Type: OPEN
  • Surface Treatment: ENAMEL
  • Mounting Type: TRAILER
  • Coolant Type: FREON-12
  • Heating Capacity in Btu Per Hour: 23000.0 NOMINAL
  • Phase: THREE
  • Cooling Capacity in Btu Per Hour: 84000.0 NOMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Air Conditioner, cataloged under National Stock Number 4120-00-541-6792, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 6 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
NSN4120-00-541-6792
Primary Part Number18000-05
Item NameAir Conditioner
FSC / FSG4120 / 41 — No Item Name Available
ManufacturerDrs Environmental Systems Inc
StatusACTIVE
Compressor Unit TypeOPEN
Surface TreatmentENAMEL
Mounting TypeTRAILER
Coolant TypeFREON-12
Heating Capacity in Btu Per Hour23000.0 NOMINAL
PhaseTHREE
Cooling Capacity in Btu Per Hour84000.0 NOMINAL
Cabinet MaterialSTEEL
Nondefinitive Spec/std Data-32C-4 TYPE
Current TypeAC
Usage DesignCOMPRESSOR,CONDENSER FAN,EVAPORATOR BLOWER
Frequency Rating60.0 HERTZ NOMINAL
Electric Motor Quantity3
Power SourceELECTRIC MOTOR
Condenser Cooling TypeAIR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3455-00-239-5593 INTERCHANGEABLE
Cutter,milling,involute Gear
5930-00-260-2874 INTERCHANGEABLE
Switch,thermostatic
5930-00-296-5768 INTERCHANGEABLE
Switch,thermostatic
5930-00-552-9165 INTERCHANGEABLE
Switch,thermostatic
5985-00-553-5924 INTERCHANGEABLE
Antenna
4120-00-572-0963SE1011-803 INTERCHANGEABLE
Air Conditioner
Raytheon Company
4120-00-684-6103 INTERCHANGEABLE
Air Conditioner
4120-00-690-5557200001 INTERCHANGEABLE
Air Conditioner
Hdt Expeditionary Systems Inc
1650-00-774-8386 INTERCHANGEABLE
Filter,fluid
6630-00-857-193618000 INTERCHANGEABLE
Meter,ph
Beckman Coulter, Inc. Dba Beckman Coulter Inc Div Us Customer Operations
Cross-Reference Index
Part NumberManufacturer
18000-05 Drs Environmental Systems Inc (USA)
R18000 Keco Industries, Inc. (USA)
18000 Hdt Expeditionary Systems Inc (USA)
SE1011-805 Hughes Missile Systems Co San Diego (USA)
SE1011-805 Raytheon Company (USA)
MA8 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILA26846 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
R18000-2 Keco Industries, Inc. (USA)
R18000-2 Hdt Expeditionary Systems Inc (USA)
18000 Drs Environmental Systems Inc (USA)
18000-05 Hdt Expeditionary Systems Inc (USA)
18000 Keco Industries, Inc. (USA)
18000-05 Keco Industries, Inc. (USA)
R18000 Drs Environmental Systems Inc (USA)
R18000-2 Drs Environmental Systems Inc (USA)
R18000 Hdt Expeditionary Systems Inc (USA)
Related Parts
3455-00-239-5593INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
5930-00-260-2874INTERCHANGEABLE
SWITCH,THERMOSTATIC
5930-00-296-5768INTERCHANGEABLE
SWITCH,THERMOSTATIC
5930-00-552-9165INTERCHANGEABLE
SWITCH,THERMOSTATIC
5985-00-553-5924INTERCHANGEABLE
ANTENNA
4120-00-572-0963INTERCHANGEABLE
AIR CONDITIONER
SE1011-803
4120-00-684-6103INTERCHANGEABLE
AIR CONDITIONER
4120-00-690-5557INTERCHANGEABLE
AIR CONDITIONER
200001
1650-00-774-8386INTERCHANGEABLE
FILTER,FLUID
6630-00-857-1936INTERCHANGEABLE
METER,PH
18000
4120-00-901-6119INTERCHANGEABLE
AIR CONDITIONER
18000-4
5210-00-933-9536INTERCHANGEABLE
LEVEL,CYLINDRICAL,CIRCULAR VIAL
8503604-1

Frequently Asked Questions

What is NSN 4120-00-541-6792?

NSN 4120-00-541-6792 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 4120-00-541-6792?

NSN 4120-00-541-6792 has 16 cross-referenced part numbers: 18000-05 (Drs Environmental Systems Inc), R18000 (Keco Industries, Inc.), 18000 (Hdt Expeditionary Systems Inc), SE1011-805 (Hughes Missile Systems Co San Diego), SE1011-805 (Raytheon Company) and 11 more.

What NSN replaces 4120-00-541-6792?

There are 12 known substitutes for 4120-00-541-6792: 3455-00-239-5593, 5930-00-260-2874, 5930-00-296-5768 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18000-05?

Key specifications for 18000-05: Compressor Unit Type: OPEN; Surface Treatment: ENAMEL; Mounting Type: TRAILER; Coolant Type: FREON-12. 16 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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