PSC H999 - OTHER QC/TEST/INSPECT- MISCELLANEOUS
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Classification & Hierarchy for PSC H999
The classification hierarchy shows how this PSC code fits within the broader federal procurement structure.
- Level 1 Spend Category:
- 18 Equipment Related Services
- Level 2 Spend Category:
- 18.4 Quality Control
- Parent PSC Code:
- H9 OTHER QUALITY, TEST, INSPECT SVCS
- Active Since:
- October 1, 2011
- Last Updated:
- April 30, 2024
Overview for PSC H999
The PSC code H999 represents 'Other Quality Control, Testing and Inspection Services: Miscellaneous,' encompassing a diverse range of quality assurance and evaluation services that do not fall under more specific quality control or testing categories. This category includes specialized, non-standardized testing and inspection activities designed to ensure compliance with contractual requirements, technical specifications, and regulatory standards. Government agencies utilize this PSC to acquire services that support verification of product integrity, operational readiness, and safety across various projects and programs. These services can include unconventional or highly specialized inspections, non-routine quality assurance tasks, and other miscellaneous testing activities critical to mission success. The flexibility of this PSC allows contracting officers to meet unique or emerging quality control needs that standard PSC codes may not adequately cover.
Typical Buyers & Agencies for PSC H999
Typical buyers of services under PSC H999 include federal agencies with complex operational environments such as the Department of Defense (DoD), the General Services Administration (GSA), and various intelligence and regulatory bodies. These agencies require specialized quality control and inspection services to ensure that procured products and services meet stringent performance and safety standards. Agencies engaged in research, development, and field deployment often rely on this PSC to secure miscellaneous and specialized testing capabilities that fall outside conventional categories. The broad scope of H999 allows these buyers to adapt to evolving technical requirements and emerging areas of quality assessment.
Common Contract Types for PSC H999
Contracts awarded under PSC H999 often utilize firm-fixed-price, cost-reimbursement, and time-and-materials structures depending on the complexity and predictability of the testing or inspection services required. Procurement methods range from full and open competition to sole-source acquisitions when unique expertise or proprietary testing techniques are necessary. Typical use cases include contract modifications to add specialized inspection requirements, task orders under indefinite-delivery/indefinite-quantity (IDIQ) contracts for on-demand testing services, and standalone contracts for one-time or pilot quality control projects. The flexible contract types reflect the variable nature and technical specificity of services covered under this PSC.
Plain-Language Breakdown for PSC H999
- Covers miscellaneous and specialized quality control, testing, and inspection services not classified elsewhere.
- Used primarily by federal agencies with complex or unique quality assurance needs.
- Supports verification of compliance with technical specifications, safety, and operational readiness.
- Contracts vary from firm-fixed-price to cost-reimbursement, often under IDIQ task orders.
- Aligns with NAICS codes related to scientific testing, engineering, and technical consulting.
- Enables acquisition of non-standard quality services critical to mission success and regulatory compliance.
Related Categories for PSC H999
Other categories at the same level as H999
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