DFARS Compliant
DFARS compliance ensures defense-related procurement meets U.S. federal sourcing and traceability rules, restricting certain materials and requiring documented supply chain control.
Overview
DFARS compliant manufacturing means the supplier and its material supply chain meet Defense Federal Acquisition Regulation Supplement requirements that apply to many DoD contracts. In practice, this often centers on specialty metals restrictions (e.g., melting/production location rules), counterfeit-avoidance, and documentation that proves material pedigree from mill to finished part.
Choose DFARS compliant sourcing when your part will ship under a DoD prime/subcontract flowdown, or when your customer requires DFARS clauses on material origin and traceability. The upside is reduced contractual risk and fewer receiving rejections because cert packages align with defense audits.
Tradeoffs are cost and lead time: DFARS-constrained mills/distributors may limit availability, and documentation review adds overhead. Not every DFARS clause applies to every part, so clarify the exact flowdowns (e.g., specialty metals) early to avoid buying noncompliant stock.
Common Materials
- Aluminum 7075
- Titanium Ti-6Al-4V
- Stainless Steel 17-4PH
- Alloy Steel 4340
- Inconel 718
- Aluminum 6061
Tolerances
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Applications
- DoD flight-critical brackets and fittings
- Guidance and navigation housings
- Ground vehicle drivetrain shafts
- Radar and EW chassis and enclosures
- Missile fin and control linkages
- Defense test fixture and gage hardware
When to Choose DFARS Compliant
Specify DFARS compliance when your customer contract includes DFARS flowdowns requiring controlled material origin and full traceability documentation. It fits best for defense programs where receiving inspection depends on cert packages (heat/lot trace, country of melt, chain-of-custody). Lock the applicable clauses before material purchase to avoid scrap and schedule resets.
vs ISO 9001 (Quality Management)
Choose DFARS compliance when contract flowdowns require material origin and defense-specific documentation beyond a general quality management system. ISO 9001 helps with process control, but it does not by itself satisfy specialty metals restrictions or DFARS clause-driven cert requirements.
vs AS9100 (Aerospace Quality)
Choose DFARS compliance when the key risk is contractual compliance with DoD flowdowns on material sourcing and traceability. AS9100 strengthens aerospace quality practices (configuration control, risk management), but DFARS compliance is what addresses defense procurement clauses tied to material pedigree and sourcing.
vs ISO 13485 (Medical Device Quality)
Choose DFARS compliance when the part is for defense procurement and must meet DFARS flowdowns on sourcing/traceability rather than medical regulatory expectations. ISO 13485 focuses on medical device risk, validation, and regulatory documentation; it won’t cover DFARS specialty metals requirements.
vs ITAR Registered
Choose DFARS compliance when the requirement is about procurement rules and material sourcing documentation, even if the part is not ITAR-controlled. ITAR registration addresses export-controlled technical data and access controls; DFARS compliance addresses defense acquisition clauses and compliant material pedigree.
vs NADCAP (Special Process)
Choose DFARS compliance when the gating requirement is compliant raw material sourcing and auditable traceability from mill to part. NADCAP applies to qualifying specific processes like heat treat, plating, or NDT; it doesn’t substitute for DFARS flowdowns on specialty metals or procurement documentation.
Design Considerations
- Call out the exact DFARS clauses/flowdowns on the PO and drawing notes (e.g., specialty metals) instead of just stating “DFARS compliant.”
- Specify material by exact spec/grade and require heat/lot traceability on the cert package to prevent mixed inventory.
- Avoid “or equivalent” material allowances unless you also define acceptable country-of-melt and documentation requirements.
- Plan lead time around DFARS-eligible material availability; confirm mill source before releasing long-lead parts.
- Require cert package deliverables up front (mill certs, CoC, trace matrix) so the shop can quote admin effort accurately.
- If you need segregated handling, request material segregation/controlled storage in writing to prevent commingling issues.