Buyer guides for mil-spec CNC machining, export control and inspection documents.https://milcnc.com/https://milcnc.com/blog/cmm-inspection-report-defense-parts-what-to-request/https://milcnc.com/blog/cmm-inspection-report-defense-parts-what-to-request/CMM inspection report requirements for defense CNC parts: ballooned drawing, nominal vs actual data, probe and calibration records, formats and sampling plans.Tue, 20 Oct 2026 00:00:00 GMThttps://milcnc.com/blog/carc-coating-machined-parts-prep-primer-topcoat/https://milcnc.com/blog/carc-coating-machined-parts-prep-primer-topcoat/CARC coating on machined parts: MIL-DTL-53039 and 64159 topcoats, epoxy primers, aluminum and steel pretreatment, masking and who should apply the system.Mon, 19 Oct 2026 00:00:00 GMThttps://milcnc.com/blog/ams-vs-astm-material-specs-drawing-callout/https://milcnc.com/blog/ams-vs-astm-material-specs-drawing-callout/AMS material specification vs ASTM for CNC buyers: what each adds, how to read a callout, why equivalents are not equal and how to handle substitutions.Sun, 18 Oct 2026 00:00:00 GMThttps://milcnc.com/blog/ams-2700-astm-a967-passivation-stainless-parts/https://milcnc.com/blog/ams-2700-astm-a967-passivation-stainless-parts/AMS 2700 vs ASTM A967 passivation for machined stainless parts: nitric vs citric baths, what the test proves, grade limits and how to write the drawing note.Sat, 17 Oct 2026 00:00:00 GMThttps://milcnc.com/blog/aluminum-bronze-monel-marine-defense-hardware/https://milcnc.com/blog/aluminum-bronze-monel-marine-defense-hardware/Aluminum bronze machining and Monel 400 vs K-500 for marine hardware: seawater performance, galvanic pairing, machining tips and callouts for CNC buyers.Fri, 16 Oct 2026 00:00:00 GMThttps://milcnc.com/blog/7075-vs-6061-aluminum-mil-spec-machined-parts/https://milcnc.com/blog/7075-vs-6061-aluminum-mil-spec-machined-parts/7075 vs 6061 machining for mil-spec parts: strength, corrosion, weldability, stress corrosion, anodize response, cost and when 7075-T73 is the safer pick.Thu, 15 Oct 2026 00:00:00 GMThttps://milcnc.com/blog/4140-vs-4340-steel-defense-parts-heat-treat-cost/https://milcnc.com/blog/4140-vs-4340-steel-defense-parts-heat-treat-cost/4340 steel machining compared with 4140 for defense parts: hardenability, toughness, typical heat treat condition, AMS callouts, plating and cost trade-offs.Wed, 14 Oct 2026 00:00:00 GMThttps://milcnc.com/blog/17-4-ph-stainless-h900-to-h1150-condition/https://milcnc.com/blog/17-4-ph-stainless-h900-to-h1150-condition/17-4 PH H1025 and other aging conditions compared: strength, toughness, hardness, stress corrosion risk, distortion and machining order for CNC parts.Tue, 13 Oct 2026 00:00:00 GMThttps://milcnc.com/blog/ground-support-equipment-machining/https://milcnc.com/blog/ground-support-equipment-machining/Ground support equipment machining guide: part types, 6061 to 4140 materials, anodize, chem film and CARC finishes, tolerances and part marking for GSE buyers.Mon, 12 Oct 2026 00:00:00 GMThttps://milcnc.com/blog/dfars-specialty-metals-machined-parts/https://milcnc.com/blog/dfars-specialty-metals-machined-parts/DFARS specialty metals explained for machined parts: which alloys are covered, why melt location beats machining location and how suppliers prove compliance.Sun, 11 Oct 2026 00:00:00 GMThttps://milcnc.com/blog/first-article-inspection-as9102-cnc-parts/https://milcnc.com/blog/first-article-inspection-as9102-cnc-parts/What a first article inspection report in AS9102 format contains, when a delta FAI is triggered and how to review one from an offshore supplier before release.Sat, 10 Oct 2026 00:00:00 GMThttps://milcnc.com/blog/mil-prf-8625-anodizing-type-2-vs-type-3/https://milcnc.com/blog/mil-prf-8625-anodizing-type-2-vs-type-3/MIL-PRF-8625 Type 3 hardcoat anodize vs Type 2: thickness, growth, masking, sealing, 6061 vs 7075 and how to call it out so bores and threads still fit.Tue, 06 Oct 2026 00:00:00 GMThttps://milcnc.com/blog/defense-cnc-rfq-drawing-package-checklist/https://milcnc.com/blog/defense-cnc-rfq-drawing-package-checklist/CNC RFQ checklist for defense-adjacent machined parts: model, drawing, specs, FAI, certs, DFARS flags, Incoterm and export statement for a fast quote.Thu, 01 Oct 2026 00:00:00 GMThttps://milcnc.com/blog/eo-14415-defense-supply-chain-offshore-machining/https://milcnc.com/blog/eo-14415-defense-supply-chain-offshore-machining/EO 14415 tightens defense supply chain sourcing from 2027. What buyers of offshore CNC parts should ask for now: raw material origin, mill certs and supplier data.Tue, 29 Sep 2026 00:00:00 GMThttps://milcnc.com/blog/itar-ear-cnc-machining-offshore/https://milcnc.com/blog/itar-ear-cnc-machining-offshore/ITAR CNC machining and offshore suppliers: USML vs EAR, EAR99 and 600-series, technical data vs the part, CUI under DFARS 7012 and a decision table for buyers.Mon, 28 Sep 2026 00:00:00 GMThttps://milcnc.com/blog/mil-spec-cnc-machining-guide/https://milcnc.com/blog/mil-spec-cnc-machining-guide/Mil-spec CNC machining explained: what MIL-STD, MIL-DTL, MIL-PRF and AMS callouts require, which ones drive cost and what evidence a supplier must deliver.Mon, 28 Sep 2026 00:00:00 GMT