What Clauses Should Be in Defense Subcontracts?

Introduction

Defense subcontracts are a critical part of the aerospace and defense supply chain—but they are also significantly more complex than standard commercial agreements.

Suppliers often receive or draft subcontracts that must incorporate:

• FAR and DFARS flowdown clauses

• quality requirements (AS9100)

• export control obligations (ITAR/EAR)

• performance and compliance provisions

Understanding what clauses should be included—and how they are typically structured—is essential for consistency and risk management.

This article outlines the core clauses commonly included in defense subcontracts and how companies approach them in practice.

What Is a Defense Subcontract?

A defense subcontract is an agreement between a prime contractor (or higher-tier supplier) and a subcontractor for work performed under a government contract.

These agreements typically:

• incorporate portions of the prime contract

• flow down regulatory requirements

• define obligations specific to the subcontracted work

Why Clause Selection Matters

Including the right clauses is important because it affects:

Compliance

• Certain clauses may be required depending on the prime contract

Risk allocation

• Clauses define responsibility for performance and compliance

Flowdown obligations

• Suppliers may be required to pass requirements further down the supply chain

Contract clarity

• Well-structured clauses reduce ambiguity and disputes

Core Clauses Typically Included in Defense Subcontracts

While requirements vary depending on the contract, most defense subcontracts include the following categories:

1. Scope of Work

Defines:

• deliverables

• specifications

• technical requirements

2. FAR/DFARS Flowdown Clauses

Provides a framework to:

• incorporate applicable clauses

• define supplier obligations

• require flowdown to lower-tier suppliers

3. Order of Precedence

Establishes:

• hierarchy of documents

• resolution of conflicts between terms

4. Pricing and Payment

Includes:

• pricing structure

• payment terms

• conditions for payment

5. Delivery and Schedule

Defines:

• delivery timelines

• notification requirements

• consequences of delays

6. Changes

Allows:

• modifications by the prime contractor

• equitable adjustments where applicable

7. Quality Requirements

Often aligned with:

• AS9100 or equivalent standards

• inspection and acceptance criteria

• first article inspection (FAI)

8. Inspection and Audit Rights

May include:

• buyer inspection

• customer or government access

• audit rights

9. Traceability and Record Retention

Defines:

• documentation requirements

• retention periods

• traceability expectations

10. Counterfeit Parts Prevention

Addresses:

• sourcing requirements

• verification processes

• reporting obligations

11. Export Control (ITAR/EAR)

Includes:

• compliance with export regulations

• restrictions on access to controlled data

• licensing requirements

12. Confidentiality

Protects:

• proprietary information

• technical data

13. Termination

Typically includes:

• termination for convenience

• termination for cause

14. Indemnity

Addresses responsibility for:

• defects

• noncompliance

• third-party claims

15. Disputes and Governing Law

Defines:

• dispute resolution process

• applicable law

Additional Clauses Often Included

Depending on the program, contracts may also include:

Cybersecurity requirements

• Protection of controlled information

Specialty metals restrictions

• Sourcing limitations

Unique Identification (UID)

• Marking and tracking requirements

Insurance requirements

• Minimum coverage obligations

Ethics and compliance provisions

• Business conduct expectations

Common Challenges in Building Defense Subcontracts

Determining which clauses apply

• Applicability varies based on contract type and scope

Managing FAR vs DFARS requirements

• Both may apply in defense programs

Maintaining consistency

• Different contracts may include different terms

Integrating compliance areas

• Quality, export, and cybersecurity requirements must align

How Companies Typically Approach Subcontract Development

1. Ad hoc drafting

Each contract created individually

• inconsistent and time-intensive

2. Legal-heavy approach

3. Standardized framework (effective)

Use structured templates and clause libraries

• consistent, scalable, efficient

A More Structured Approach

Many aerospace and defense companies implement:

• standardized subcontract templates

• integrated FAR/DFARS flowdown clauses

• aligned purchase order terms

• export control and quality provisions

• consistent clause formatting

This approach helps organizations:

• reduce risk

• improve efficiency

• maintain consistency across programs

AerocontractsPro Toolkit

To support this, AerocontractsPro includes:

• defense subcontract-style supplier agreement templates

• FAR/DFARS flowdown clause library

• dual-column purchase order terms

• export control (ITAR/EAR) provisions

• AS9100-aligned quality requirements

• RFP templates and evaluation tools

The toolkit is designed to provide a structured framework for building and managing aerospace and defense contracts.

Conclusion

Defense subcontracts require a structured approach that integrates compliance, performance, and risk management.

By using standardized templates and clause libraries, companies can create more consistent and effective agreements.

This content is provided for general informational purposes only and does not constitute legal advice. Readers should consult qualified legal counsel for advice regarding their specific situation.