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

H377 INSPECTION- MUSICAL INST/PHONOGRAPH/HOME RADIO

Inspection and Laboratory Services (except medical/dental): Musical Instruments, Phonographs, and Home Type Radios

H378 INSPECTION- RECREATIONAL AND ATHLETIC EQUIPMENT

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

H379 INSPECTION- CLEANING EQUIPMENT AND SUPPLIES

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

H380 INSPECTION- BRUSHES, PAINTS, SEALERS, AND ADHESIVES

Inspection and Laboratory Services (except medical/dental): Brushes, Paints, Sealers, and Adhesives

H381 INSPECTION- CONTAINERS, PACKAGING, AND PACKING SUPPLIES

Inspection and Laboratory Services (except medical/dental): Containers, Packaging, and Packing Supplies

H383 INSPECTION- TEXTILES, LEATHER, FURS, APPAREL AND SHOE FINDINGS, TENTS AND FLAGS

Inspection and Laboratory Services (except medical/dental): Textiles, Leather, Furs, Apparel and Shoe Findings, Tents and Flags

H384 INSPECTION- CLOTHING, INDIVIDUAL EQUIPMENT, AND INSIGNIA

Inspection and Laboratory Services (except medical/dental): Clothing, Individual Equipment, and Insignia

H385 INSPECTION- TOILETRIES

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

H387 INSPECTION- AGRICULTURAL SUPPLIES

Inspection and Laboratory Services (except medical/dental): Agricultural Supplies

H388 INSPECTION- LIVE ANIMALS

Inspection and Laboratory Services (except medical/dental): Live Animals

H389 INSPECTION- SUBSISTENCE

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

H391 INSPECTION- FUELS, LUBRICANTS, OILS, AND WAXES

Inspection and Laboratory Services (except medical/dental): Fuels, Lubricants, Oils, and Waxes

H393 INSPECTION- NONMETALLIC FABRICATED MATERIALS

Inspection and Laboratory Services (except medical/dental): Nonmetallic Fabricated Materials

H394 INSPECTION- NONMETALLIC CRUDE MATERIALS

Inspection and Laboratory Services (except medical/dental): Nonmetallic Crude Materials

H395 INSPECTION- METAL BARS, SHEETS, AND SHAPES

Inspection and Laboratory Services (except medical/dental): Metal Bars, Sheets, and Shapes

H396 INSPECTION- ORES, MINERALS, AND THEIR PRIMARY PRODUCTS

Inspection and Laboratory Services (except medical/dental): Ores, Minerals, and Their Primary Products

H399 INSPECTION- MISCELLANEOUS

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

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