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ASTM, MIL, and AS spec library.
The non-AMS specs you’ll see on aerospace and defense drawings — ASTM material and test specs, MIL-DTL/PRF/STD documents, DFARS clauses, and AS quality standards. Plain-English scope for each, with cross-references to the right reference page when applicable.
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01
ASTM — civilian material & test specs
20 specs
| Spec | Title | Scope |
|---|---|---|
| ASTM A276 | Stainless Steel Bars and Shapes | Wrought stainless steel bar — covers all common austenitic, martensitic, ferritic, and PH grades. |
| ASTM A484 | Stainless Steel Bars, Forgings, and Forged Bars (general requirements) | Companion to A276; defines general requirements for stainless bar. |
| ASTM A564 | PH Stainless Steel Bars | Specific to precipitation-hardening stainless including 17-4PH (Type 630), 17-7PH (Type 631). |
| ASTM A693 | PH Stainless Steel Sheet, Strip, and Plate | Sheet/plate companion to A564. |
| ASTM B348 | Titanium and Titanium Alloy Bars and Billets | Most-cited civilian Ti-6Al-4V bar spec (covers Grade 5 and ELI Grade 23). |
| ASTM B265 | Titanium and Titanium Alloy Strip, Sheet, and Plate | Sheet/plate companion to B348. |
| ASTM B637 | Precipitation-Hardening Nickel Alloy Bars | Inconel 718, 706, X-750 in bar form. Civilian-spec equivalent of AMS 5662. |
| ASTM B670 | Precipitation-Hardening Nickel Alloy Plate, Sheet, and Strip | Sheet/plate companion to B637. |
| ASTM B574 | Low-Carbon Nickel-Molybdenum-Chromium Alloy Bars (Hastelloy C-276) | Civilian Hastelloy C-276 bar spec. |
| ASTM B164 | Nickel-Copper Alloy Bars (Monel 400, K-500) | Civilian Monel bar spec. |
| ASTM A29 | Carbon and Alloy Steel Bars (general) | General requirements for hot-wrought carbon and alloy steel bar; 4140, 4340 fall under this umbrella. |
| ASTM A322 | Alloy Steel Bars (4140, 4340, etc.) | Specific alloy-steel bar spec covering most aerospace structural alloys. |
| ASTM B209 | Aluminum Alloy Sheet and Plate | Most-cited aluminum sheet/plate spec for 6061, 7075, 2024. |
| ASTM B221 | Aluminum Alloy Extruded Bars, Rods, Profiles, and Tubes | Aluminum extrusion spec. |
| ASTM A967 | Stainless Steel Passivation | Defines citric and nitric passivation processes (the Method 1 / Method 2 numbering belongs to AMS 2700). |
| ASTM B912 | Stainless Steel Electropolishing | Standard for electropolishing 300-series and PH stainless steel. |
| ASTM E10 | Brinell Hardness Testing | Test method for Brinell hardness. |
| ASTM E18 | Rockwell Hardness Testing | Test method for Rockwell C and B. |
| ASTM E140 | Hardness Conversion Tables for Steel | Conversion tables HRC ↔ HRB ↔ HV ↔ HBW. See our hardness conversion chart. |
| ASTM E384 | Microhardness of Materials | Vickers and Knoop microhardness testing — used for case-depth verification. |
02
MIL-DTL — military detail specifications
6 specs
| Spec | Title | Scope |
|---|---|---|
| MIL-DTL-5002 | Surface Treatments and Inorganic Coatings for Metals (general) | General specification for surface treatments on metal aircraft parts. |
| MIL-DTL-5541 | Chemical Conversion Coatings on Aluminum | Class 1A and Class 3 chromate conversion coatings (alodine / iridite). Class 3 has lower electrical resistance than Class 1A. |
| MIL-DTL-13924 | Black Oxide on Steel | Black oxide finish for steel — corrosion protection plus low reflectance. |
| MIL-DTL-16232 | Phosphate Coating, Heavy, Manganese or Zinc Base | Heavy manganese / zinc phosphate conversion coating for steel. Rev G supersedes DOD-P-16232F. |
| MIL-DTL-26074 | Electroless Nickel Plating on Metal Surfaces | Electroless nickel — uniform deposit thickness, hard and corrosion-resistant. |
| MIL-DTL-32119 | Coatings, Electroless Nickel, Special Applications | Electroless nickel-phosphorus plating for special applications — supersedes MIL-DTL-26074. |
03
MIL-PRF — military performance specifications
3 specs
| Spec | Title | Scope |
|---|---|---|
| MIL-PRF-23377 | Epoxy Primer for Aerospace Structures | Performance specification for high-solids primer. |
| MIL-PRF-85285 | Polyurethane Topcoat | Polyurethane topcoat for aerospace exterior surfaces. |
| MIL-PRF-46010 | Solid-Film Lubricant Coating | Heat-cured molybdenum disulfide lubricant coating. |
04
MIL-STD — military standards
7 specs
| Spec | Title | Scope |
|---|---|---|
| MIL-STD-129 | Marking for Shipping and Storage | Standard for marking shipped DOD items including unique identification (UID) and bar codes. |
| MIL-STD-130 | Identification Marking of U.S. Military Property | How to mark parts for DOD identification — UID, IUID, marking methods. |
| MIL-STD-810 | Environmental Engineering Considerations and Laboratory Tests | Test methods for environmental qualification — vibration, temperature, humidity, shock. |
| MIL-STD-882 | System Safety | DOD safety analysis methodology for hazard identification and mitigation. |
| MIL-STD-889 | Dissimilar Metals | Galvanic compatibility guidance for DOD systems. See our galvanic series chart. |
| MIL-STD-1916 | DOD Acceptance Sampling | Sampling procedures for inspection by attributes. |
| MIL-STD-2073 | Standard Practice for Military Packaging | Packaging standards for DOD shipments. |
05
DFARS — Defense Federal Acquisition Regulation Supplement
2 specs
| Spec | Title | Scope |
|---|---|---|
| DFARS 252.225-7009 | Restriction on Acquisition of Specialty Metals | Specialty metals (titanium, certain steels, nickel-base alloys, zirconium) must be melted in qualifying countries. See our standards reference. |
| DFARS 252.204-7012 | Safeguarding Covered Defense Information | DOD cybersecurity requirement — implements NIST SP 800-171, basis for CMMC. |
06
AS / SAE Aerospace standards
3 specs
| Spec | Title | Scope |
|---|---|---|
| AS9100 | Quality Management Systems — Aerospace | Aerospace QMS standard built on ISO 9001 with additional aerospace requirements. Current revision: AS9100D / Rev D. |
| AS9102 | First Article Inspection Requirement | Defines FAI process and forms (Form 1, 2, 3) for aerospace production. |
| AS5553 | Counterfeit Electronic Parts; Avoidance, Detection, Mitigation | Counterfeit-parts standard, common flow-down requirement. |
Cross-reference
Related TPM references.
- AMS spec cross-reference — aerospace material specifications
- Standards & glossary — broader context on AS9100, ITAR, DFARS, GD&T
- Galvanic series — companion to MIL-STD-889
- Hardness conversion — implements ASTM E140
- Citric vs nitric passivation — ASTM A967 method comparison
Keep exploring
Related tools & references
AMS spec cross-reference→
The aerospace material specs these ASTM and MIL documents cross-reference.
Hardness conversion chart→
Companion to the ASTM E18/E10/E140 hardness methods cited here.
Coatings & finishes reference→
Maps the MIL-DTL and MIL-PRF coating callouts to processes.
Alloy datasheets→
Chemistry and properties for the alloys these specs govern.
Citric vs nitric passivation→
ASTM A967 method comparison for stainless passivation.
Material selector→
Pick an alloy, then trace it to its controlling spec here.
Technically reviewed by the True Precision Machining engineering team · Last reviewed June 2026
Standards referenced: ASTM A564, ASTM A276, ASTM B348, ASTM E18, ASTM A967, MIL-DTL-5541, MIL-PRF-23377, MIL-STD-130, AS9100, AS9102
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