Defense CNC Machining for Tier 1 and Tier 2 Contractors
Defense manufacturing demands absolute precision, documented quality, and trusted partnerships. CARR Machine & Tool provides certified defense contract manufacturing for mission-critical components used in land, sea, air, and space applications. Our team delivers proven reliability through advanced machining, process control, and compliance with government and defense regulations.
Each project we handle begins with material strategy. Understanding how a metal reacts under heat, stress, and tooling pressure determines the path from raw bar to finished part. That level of insight only comes from experience, and our team has decades of it.
We work with engineers who need guaranteed results from the first article through production scale. Whether the job involves lightweight aluminum, temperature-tolerant titanium, or complex nickel alloys, every part is machined to the exact specification, verified, and fully traceable.
DEFENSE MACHININING CAPABILITIES
CARR’s defense CNC machining services combine multi-axis technology, data-driven programming, and disciplined inspection protocols. We manufacture tight-tolerance parts used in weapons systems, armored vehicles, aerospace assemblies, and communication hardware.
- 3-Axis & 4-Axis CNC Milling and 5-Axis Machining: We run 5-axis milling capability, including lights-out operations on our Doosan equipment. Complex housings, multi-surface features, and tight-tolerance bores that would otherwise require multiple setups can be completed in a single fixture, which reduces setup error and improves positional accuracy across features.
- Precision CNC Machining: Precision turning for shafts, bores, sleeves, and cylindrical components with tight diameter and surface finish tolerances. We maintain concentricity and runout callouts across high-mix, low-to-medium volume work.
- Multi-Operation Work: Many defense components require both milling and turning operations, plus secondary operations like drilling, reaming, and tapping to final spec. Our shop handles multi-operation work with consistent quality documentation across every step.
- First Article Inspection: Every new program includes a full first article inspection report (FAIR) that documents actual measured values against nominal and tolerance for every dimension on the print. This gives your receiving inspection team a complete conformance record before production quantities begin.
Our engineering and machining teams collaborate early with client design groups to optimize manufacturability and ensure each part performs reliably in harsh environments.
By controlling every variable across the material certification, tool path, and finishing process, we maintain consistent quality across all production runs.
MATERIALS FOR DEFENSE APPLICATIONS
We machine a wide range of materials used in defense hardware:
- Aluminum Alloys: 6061, 7075, 2024 for housings, brackets, and structural components
- Stainless Steel: 15-5, 17-4 PH, 303, 304, 316 for corrosion-resistant hardware
- Titanium Alloys: Ti-6Al-4V for strength-to-weight critical components
- Tool Steel: 4140 steel, 0r 4340 for high-strength mechanical parts
- Nickel Alloys: Inconel 625, 718 for high-temperature and corrosion-resistant applications
- Copper Alloys: Brass and bronze for connectors and bushings
- Engineering Plastics: Delrin, Nylon, UHMW for non-metallic components
Material certifications are sourced from qualified suppliers, documented on job travelers, and retained in our quality records.
ITAR Registration and Export Control Compliance
We are registered with the U.S. Department of State Directorate of Defense Trade Controls (DDTC) under the International Traffic in Arms Regulations (ITAR). This registration allows us to:
- Accept work involving controlled defense articles under the USML
- Handle ITAR-controlled technical data, including CAD files and engineering drawings
- Operate within the required personnel and access controls for export-sensitive work
- Support your compliance documentation and supplier qualification requirements
For defense primes managing ITAR compliance across their supply chain, working with a registered shop eliminates a significant qualification burden. Our ITAR registration documentation is available upon request.
AS9100D Quality System Applied to Defense Work
- Job Planning: Every job includes a documented process plan tied to your drawing revision
- Material Traceability: Raw material certifications are retained and tied to each job traveler
- In-Process Inspection: Critical dimensions are checked during production, not just at the end
- Final Inspection: Full dimensional inspection against drawing callouts with recorded results
- Non-Conformance Control: Any out-of-tolerance condition is logged, reviewed, and dispositioned before shipment
- Record Retention: Job records are retained per your program requirements
Our AS9100D quality management system is the operational framework for every defense job we run, regardless of whether the program formally requires it. This system supports your supplier audit process. We have passed defense customer audits and can provide our quality manual and relevant procedures upon request.
FREQUENTLY ASKED QUESTIONS
Is Carr Machine & Tool ITAR registered?
Yes. We are registered with the U.S. State Department Directorate of Defense Trade Controls under ITAR. Our registration covers precision CNC machining of defense articles and handling of ITAR-controlled technical data. Registration documentation is available to customers upon request during the supplier qualification process.
Can you machine parts to MIL-SPEC requirements?
Yes. We regularly machine parts to MIL-SPEC dimensional and material requirements. Our process planning team reviews your drawing callouts, including special processes, surface finish requirements, and material specifications, before quoting to ensure full capability alignment.
Do you produce first article inspection reports?
Yes. First article inspection reports are standard for new defense programs and include actual measured values for every dimension called out on the print. FAIRs are documented and provided with the first shipment, and retained in our quality records.
Do you handle low-volume and high-mix defense work?
Yes. Our shop is configured for high-mix, low-to-medium volume work, which is typical of defense subcontract machining. We have experience quoting and running prototype quantities, engineering development units, and production lots within the same quality system.
What is your lead time for defense machined parts?
Lead time depends on part complexity, quantity, material availability, and current shop load. We discuss lead time as part of the quoting process. If your program has a firm delivery requirement, include that information in your quote request and we will either confirm it or flag early if it is not achievable.
How do I submit a quote request?
Send your drawing (STEP, IGES, DXF, DWG, or PDF), quantity, required delivery, and any special notes to our quoting team. We review every drawing before responding and provide specific feedback on any features that may affect schedule or cost.
Partner with CARR Machine & Tool
CARR Machine & Tool delivers the precision, reliability, and accountability required for modern defense manufacturing. We ensure mission-ready performance for every part we produce.
Submit your drawing and program requirements. Our team will respond with a detailed quote, lead time, and any relevant process notes. We work with defense primes, Tier 1 and Tier 2 subcontractors, and government contractors across the U.S.
Contact us today to discuss your next defense contract manufacturing project or request a quote from our technical team.
UNIQUE SOLUTIONS FOR ANY INDUSTRY
Our multi-axis capabilities allow us to bring these tolerances to oddly angled parts and sub-assemblies.
