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

SpecificationAgency
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.