NAS Bolts - Aerospace Bolts Interchange
Jet-Tek is a manufacturer and distributor of NAS Bolts. Blanks in all diameters available which can be completed in 2-3 weeks based on your requirement. Parts include Manufacturer and material certifications with chemical and physical test reports at no charge. Contact us at (800) 804-7876 for a free quote, or please submit a RFQ here.
The following charts detail material specifications, strength and temperature ratings, nominal thread lengths, and updates/interchanges of the most commonly used aerospace bolt series.
NAS Bolts - Hex Head
125,000 Dsi tensile / 75,000 Dsi shear
AN3: alloy steel, 450°F
AN3C: stainless steel, 450°F
160,000 Dsi tensile/ 95,000 psi shear
NAS1103: Alloy steel, 450°F NAS6703: A286 stainless, 1200°F
NAS6203: Alloy steel, 450°F NAS653: Titanium alloy, 500°F
NAS1303: Alloy steel, 450°F NAS673: Titanium alloy, 500°F
NAS6603: Alloy steel, 450°F NAS6403: Titanium alloy, 500°F
NAS6303: A286 stainless, 1200°F NAS6803: Titanium alloy, 500°F
Supersedence Commonly Accepted Interchanges
NAS1103 to NAS6203 NAS1103, NAS6203
NAS1303 to NAS6603 NAS1303, NAS6603
NAS Bolts - Internal Wrenching Head - 12 Point Head
160,000 psi tensile / 96,000 psi shear 180,000 psi tensile / 108,000 psi shear
NAS144: alloy steel, 450°F (internal wrenching)
NAS624: alloy steel, 450°F (12 point)
MS20004: alloy steel, 450°F (internal wrenching)
MS21250: alloy steel, 450°F (12 point)
Supersedence Commonly Accepted Interchanges
NAS144 to MS20004 NAS624 and MS21250
NAS144 and MS20004