Mil-Spec
Fastenal’s government sales division provides full technical support for government contractors, and our local branches have the tools to assist you in identifying Fastenal part numbers that comply with military federal specifications and standards.
Mil-Spec Products
Fastenal specializes in providing defense contractors with industrial supplies that are certified to the following military and federal specifications and standards. Below is a partial listing of Mil-Spec products available from Fastenal. We can also custom manufacture parts to military and aerospace specifications. Learn more
| Specification | Agency |
|---|---|
| AN | Department of Air Force and Navy |
| ASTM | American Society for Testing and Materials |
| BA | Boeing Standard |
| FF- | Federal Military Specifications |
| GSA | General Services Administration |
| MIL- | Military Specifications |
| MS | Military Standards/Military Departments |
| NAS | National Aerospace Standards |
| NSN | National Stock Numbers |
| QQ1 | Federal Specifications/General Services |
| SAE | Society of Automotive Engineers |
| UNS | Unified Numbering System |
| Air Force/Navy Standards | |
|---|---|
| AN3 to AN 20 | Hex Machine Bolts |
| AN 174 | Close Tolerance Bolts |
| AN 525 | Machine Screws |
| AN 565 | Set Screws |
| AN 960 | Flat Washers |
| Military Standards | |
|---|---|
| MS15795 | Flat Washers |
| MS20470 | Solid Rivets |
| MS21209 | Screw Thread Inserts |
| MS35307 | Hex Cap Screws |
| MS35338 | Lock Washers |
| National Aerospace Standards | |
|---|---|
| NAS620 | Flat Washers |
| NAS1351 | Socket Head Cap Screws |
| NAS1352 | Socket Head Cap Screws |
| NAS1801 | Hex Head Screws |
| NAS514 | Machine Screws |
| Other Standards and Capabilities | |
|---|---|
| FF-S-85 | |
| FF-S-86 | |
| MIL-S-1222 | |
| NSN-National Stock Number | |
| Cross Reference | |
To learn more about our Mil-Spec capabilities, contact your local Fastenal branch.