The PSC code H311 pertains to Inspection and Laboratory Services, specifically related to Nuclear Ordnance. This category covers specialized testing, evaluation, and quality assurance services that ensure the safety, reliability, and performance of nuclear weapons and related components. Government agencies utilize these services to maintain compliance with strict regulatory standards and to verify the integrity of nuclear ordnance throughout its lifecycle. Services under this code exclude medical and dental laboratory work but include comprehensive commercial testing and laboratory analyses focused on nuclear ordnance materials and systems. Agencies engaged in defense, national security, and nuclear weapons management heavily rely on contracts coded H311 to secure expert laboratory inspections and technical evaluations required for mission-critical nuclear assets.

Includes for PSC H311

This PSC code covers the following products and services:

Includes: Commercial Testing and Laboratory Services

Excludes for PSC H311

This PSC code does NOT cover the following:

Excludes: Medical and Dental Laboratory Services

Typical Buyers & Agencies for PSC H311

The primary buyers for contracts under PSC code H311 include the Department of Defense (DoD), particularly branches dealing with nuclear weapons such as the Air Force Nuclear Weapons Center and the National Nuclear Security Administration (NNSA). Other agencies involved in national security, weapons development, and regulatory oversight also procure these specialized inspection and laboratory services. These buyers seek contractors capable of providing highly technical and secure testing environments to support the maintenance, certification, and lifecycle management of nuclear ordnance, ensuring compliance with federal and international nuclear safety standards.

Common Contract Types for PSC H311

Contracts awarded under PSC H311 typically involve firm-fixed-price and cost-reimbursement types due to the complexity and technical nature of services provided. Indefinite Delivery Indefinite Quantity (IDIQ) contracts are also common, offering flexibility to government agencies requiring ongoing inspection and testing services. Procurement methods range from full and open competition to sole-source awards, especially when sensitive or classified capabilities are required. These contracts often emphasize stringent security requirements and compliance with federal acquisition regulations to safeguard critical nuclear technologies.

Plain-Language Breakdown for PSC H311

Covers specialized inspection and testing services for nuclear ordnance.
Primarily used by Department of Defense and National Nuclear Security Administration.
Includes commercial testing and laboratory services excluding medical and dental labs.
Common contract types include firm-fixed-price, cost-reimbursement, and IDIQ.
Requires contractors with high security clearance and technical expertise.
Often associated with NAICS codes 541380 and 541690.

Related Categories for PSC H311

Other categories at the same level as H311

H310 INSPECTION- WEAPONS

Inspection and Laboratory Services (except medical/dental): Weapons

H312 INSPECTION- FIRE CONTROL EQUIPMENT

Inspection and Laboratory Services (except medical/dental): Fire Control Equipment

H313 INSPECTION- AMMUNITION AND EXPLOSIVES

Inspection and Laboratory Services (except medical/dental): Ammunition and Explosives

H314 INSPECTION- GUIDED MISSILES

Inspection and Laboratory Services (except medical/dental): Guided Missiles

H315 INSPECTION- AIRCRAFT AND AIRFRAME STRUCTURAL COMPONENTS

Inspection and Laboratory Services (except medical/dental): Aircraft and Airframe Structural Components

H316 INSPECTION- AIRCRAFT COMPONENTS AND ACCESSORIES

Inspection and Laboratory Services (except medical/dental): Aircraft Components and Accessories

H317 INSPECTION- AIRCRAFT LAUNCHING, LANDING, AND GROUND HANDLING EQUIPMENT

Inspection and Laboratory Services (except medical/dental): Aircraft Launching, Landing, and Ground Handling Equipment Excludes: Medical and Dental Laboratory Services

H318 INSPECTION- SPACE VEHICLES

Inspection and Laboratory Services (except medical/dental): Space Vehicles

H319 INSPECTION- SHIPS, SMALL CRAFT, PONTOONS, AND FLOATING DOCKS

Inspection and Laboratory Services (except medical/dental): Ships, Small Craft, Pontoons, and Floating Docks

H320 INSPECTION- SHIP AND MARINE EQUIPMENT

Inspection and Laboratory Services (except medical/dental): Ship and Marine Equipment

H322 INSPECTION- RAILWAY EQUIPMENT

Inspection and Laboratory Services (except medical/dental): Railway Equipment

H323 INSPECTION- GROUND EFFECT VEHICLES, MOTOR VEHICLES, TRAILERS, AND CYCLES

Inspection and Laboratory Services (except medical/dental): Ground Effect Vehicles, Motor Vehicles, Trailers, and Cycles

H324 INSPECTION- TRACTORS

Inspection and Laboratory Services (except medical/dental): Tractors

H325 INSPECTION- VEHICULAR EQUIPMENT COMPONENTS

Inspection and Laboratory Services (except medical/dental): Vehicular Equipment Components

H326 INSPECTION- TIRES AND TUBES

Inspection and Laboratory Services (except medical/dental): Tires and Tubes

H328 INSPECTION- ENGINES, TURBINES, AND COMPONENTS

Inspection and Laboratory Services (except medical/dental): Engines, Turbines, and Components

H329 INSPECTION- ENGINE ACCESSORIES

Inspection and Laboratory Services (except medical/dental): Engine Accessories

H330 INSPECTION- MECHANICAL POWER TRANSMISSION EQUIPMENT

Inspection and Laboratory Services (except medical/dental): Mechanical Power Transmission Equipment

H331 INSPECTION- BEARINGS

Inspection and Laboratory Services (except medical/dental): Bearings

H332 INSPECTION- WOODWORKING MACHINERY AND EQUIPMENT

Inspection and Laboratory Services (except medical/dental): Woodworking Machinery and Equipment

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