NAICS 33641 - Aerospace Product and Parts Manufacturing

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Key Terms

NAICS 3364 NAICS 336 aerospace manufacturing aircraft production propulsion systems aerospace engines missile manufacturing space vehicles aircraft overhaul prototype development defense contracting NASA contracts FAA procurement aerospace parts system conversion

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Related NAICS Codes for NAICS 33641

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What is NAICS 33641

NAICS code 33641 pertains to Aerospace Product and Parts Manufacturing, encompassing establishments primarily engaged in the production of complete aircraft, missiles, space vehicles, aerospace engines, propulsion units, auxiliary equipment, and parts. This sector also includes the development and prototyping of aerospace products, major aircraft system conversions, and comprehensive overhaul and rebuilding of aircraft or propulsion systems to original design specifications. Businesses operating in this sector range from large aerospace manufacturers to specialized firms focused on component fabrication and system upgrades. Government agencies rely heavily on these services to maintain national defense capabilities, advance space exploration, and support aviation infrastructure. The industry's complexity and high technical standards make it essential for government contracts to ensure quality, reliability, and innovation in aerospace products and services.

Industry Classification for NAICS 33641

This industry comprises establishments primarily engaged in one or more of the following: (1) manufacturing complete aircraft, missiles, or space vehicles; (2) manufacturing aerospace engines, propulsion units, auxiliary equipment, or parts; (3) developing and making prototypes of aerospace products; (4) aircraft conversion (i.e., major modifications to systems); and (5) complete aircraft or propulsion systems overhaul and rebuilding (i.e., periodic restoration of aircraft to original design specifications).

Breakdown for NAICS 33641

  • Manufacturing complete aircraft, missiles, and space vehicles.
  • Production of aerospace engines, propulsion units, and auxiliary equipment.
  • Development and fabrication of aerospace prototypes.
  • Major aircraft system modifications and conversions.
  • Overhaul and rebuilding of aircraft and propulsion systems.
  • Engagement primarily with defense, space, and aviation sectors.

Included Activities for NAICS 33641

  • Fabricating aircraft components and assemblies.
  • Designing and testing aerospace propulsion systems.
  • Developing and producing missile systems.
  • Creating and evaluating aerospace prototypes.
  • Performing aircraft system conversions and upgrades.
  • Conducting comprehensive aircraft and engine overhauls.
  • Supporting aerospace product certification and compliance.
  • Integrating advanced materials and manufacturing technologies.

Business Types for NAICS 33641

  • Large aerospace manufacturing corporations.
  • Specialized component and parts manufacturers.
  • Prototype development firms.
  • Maintenance, repair, and overhaul (MRO) service providers.
  • Engineering and design consultancies specializing in aerospace.
  • Defense contractors with aerospace capabilities.

Government Buyers for NAICS 33641

Key government buyers for aerospace product and parts manufacturing include the Department of Defense (DoD), NASA, the Federal Aviation Administration (FAA), and other federal agencies involved in defense, space exploration, and aviation safety. These agencies require aerospace products and services to support military readiness, develop new aerospace technologies, maintain and upgrade aircraft fleets, and facilitate space missions. Contracts awarded to this sector help maintain technological superiority, ensure operational safety, and support national security and strategic objectives.

Contract Types & Procurement for NAICS 33641

Contracts in the aerospace manufacturing sector typically include firm-fixed-price, cost-plus-fixed-fee, and indefinite-delivery/indefinite-quantity (IDIQ) contracts. Procurement methods often involve competitive bidding, negotiated procurements, and sole-source contracts for specialized or classified projects. Contract values can vary widely depending on the scope, ranging from smaller contracts for component manufacturing to multi-million-dollar agreements for complete aircraft systems or major overhauls. Long-term contracts and multi-year agreements are common, reflecting the complexity and extended production cycles inherent in aerospace manufacturing.

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