PSC Code 1660 covers aircraft air conditioning, heating, and pressurizing equipment, including components and systems specifically designed to maintain cabin environment and pressure in military and civil aircraft. This category encompasses a wide range of products such as cabin supercharging equipment, oxygen masks, fixed oxygen systems, heat exchangers, air expansion turbines, and thermal de-icing equipment. It also includes specialized aircraft valves and regulators essential to maintaining safe and comfortable conditions inside aircraft cabins and compartments. Government agencies use this PSC to procure equipment vital for flight safety, crew comfort, and mission readiness, especially for military aviation platforms and specialized federal aircraft.

Includes for PSC 1660

This PSC code covers the following products and services:

Cabin Supercharging Equipment; Canisters; Cylinder Assemblies; Masks; Fixed Oxygen Systems; Specially Designed Aircraft Valves; Cabin Pressure Regulators; Heat Exchangers; Air Expansion Turbines; Aircraft Heaters; Ventilating System Components; Air Conditioning and Heating Duct Assemblies; Thermal De-icing Equipment; Cabin and Compartment Pressurizing Equipment; Air Diffusers; Cabin Pressure Selectors; Liquid Oxygen Converters.

Excludes for PSC 1660

This PSC code does NOT cover the following:

Oxygen Pressure Signals and Warning Devices; Tubing; Ground Type Heaters and Coolers; Pressurizing Equipment other than that used for Cabin and Compartment Pressurization; Fluid De-icing Equipment; Valves specifically designed for use with Aircraft Engines, Guided Missiles, and Guided Missile Engines.

Additional Notes for PSC 1660

Important notes and guidance for using this PSC code:

This class includes components specifically designed for use in aircraft air conditioning, heating, and pressurizing equipment. Also included are specially designed components of oxygen breathing systems used in aircraft.

Typical Buyers & Agencies for PSC 1660

Typical buyers under PSC 1660 include the Department of Defense (DoD), particularly Air Force and Navy aviation units responsible for maintaining and upgrading military aircraft environmental control systems. Other federal agencies operating specialized aircraft, such as the Department of Homeland Security and the Federal Aviation Administration, also procure under this PSC to ensure aircraft safety and environmental control. These agencies prioritize acquiring reliable, certified equipment that meets rigorous aviation standards to support both routine operations and mission-critical flights.

Common Contract Types for PSC 1660

Contracts awarded under PSC 1660 commonly include firm-fixed-price and indefinite delivery/indefinite quantity (IDIQ) contracts to provide flexibility in procuring aircraft environmental control components as needed. Procurement methods often involve competitive bidding due to the specialized nature of the equipment, with some sole-source contracts awarded for proprietary or highly specialized systems. Typical use cases include new aircraft production, retrofit and modernization programs, and repair or replacement of worn or obsolete components.

Plain-Language Breakdown for PSC 1660

Includes aircraft air conditioning, heating, and cabin pressurizing equipment and components.
Primarily used by Department of Defense aviation units and federal agencies operating aircraft.
Procurement involves contracts for new equipment, retrofits, repairs, and component replacements.
Typical contract types are firm-fixed-price and IDIQ, often awarded through competitive bidding.
Closely associated with NAICS codes for aircraft manufacturing and parts production.
Excludes ground heaters, tubing, oxygen pressure warning devices, and engine-specific valves.

Related Categories for PSC 1660

Other categories at the same level as 1660

1610 AIRCRAFT PROPELLERS AND COMPONENTS

Aircraft Propellers and Components

1615 HELICOPTER ROTOR BLADES, DRIVE MECHANISMS AND COMPONENTS

Helicopter Rotor Blades, Drive Mechanisms and Components

1620 AIRCRAFT LANDING GEAR COMPONENTS

Aircraft Landing Gear Components

1630 AIRCRAFT WHEEL AND BRAKE SYSTEMS

Aircraft Wheel and Brake Systems

1640 AIRCRAFT CONTROL CABLE PRODUCTS

Missing code added for DOD Migration purpose only

1650 AIRCRAFT HYDRAULIC, VACUUM, AND DE-ICING SYSTEM COMPONENTS

Aircraft Hydraulic, Vacuum and De-icing System Components

1670 PARACHUTES; AERIAL PICK UP, DELIVERY, RECOVERY SYSTEMS; AND CARGO TIE DOWN EQUIPMENT

Parachutes; Aerial Pick Up, Delivery, Recovery Systems; Cargo Tie Down Equipment

1675 SPACE VEHICLE COMPONENTS

Space Vehicle Components

1677 SPACE VEHICLE REMOTE CONTROL SYSTEMS

Space Vehicle Remote Control Systems

1680 MISCELLANEOUS AIRCRAFT ACCESSORIES AND COMPONENTS

Miscellaneous Aircraft Accessories and Components

6730 PHOTOGRAPHIC PROJECTION EQUIPMENT

Photographic Projection Equipment

6740 PHOTOGRAPHIC DEVELOPING AND FINISHING EQUIPMENT

Photographic Developing and Finishing Equipment

6750 PHOTOGRAPHIC SUPPLIES

Photographic Supplies

6760 PHOTOGRAPHIC EQUIPMENT AND ACCESSORIES

Photographic Equipment and Accessories

6770 FILM, PROCESSED

Film, Processed

6780 PHOTOGRAPHIC SETS, KITS, AND OUTFITS

Photographic Sets, Kits, and Outfits

7610 BOOKS AND PAMPHLETS

Books and Pamphlets

7630 NEWSPAPERS AND PERIODICALS

Newspapers and Periodicals

7640 MAPS, ATLASES, CHARTS, AND GLOBES

Maps, Atlases, Charts, and Globes

7641 AERONAUTICAL MAPS, CHARTS AND GEODETIC PRODUCTS

Aeronautical Maps, Charts and Geodetic Products

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