Length: 0.657", grip: 0.188", thread: 5/16-24, hex head, tension, long thread, cadmium plated alloy steel
NAS6605H3 Bolt
-
Aerospace-grade high-strength fastener manufactured to NAS6605 standard
-
Material: Alloy steel 4340 or 8740
-
Material specifications: MIL-S-5000, MIL-S-6049, or AMS 6322
-
Minimum tensile strength: 160,000 psi
-
Hardness: 36–40 Rockwell C
-
Thread size (diameter): 0.312 in
-
Thread series: UNJF (fine thread with controlled root radius)
-
Threads per inch: 24 TPI
-
Thread class: 3A
-
Thread direction: Right-hand
-
Thread length: 0.444 – 0.494 in
-
Fastener overall length: 0.642 – 0.672 in
-
Grip diameter: 0.3110 – 0.3120 in
-
Grip length: 0.178 – 0.198 in
-
Head style: Dished hexagon
-
Head height: 0.156 – 0.171 in
-
Width between flats: 0.492 – 0.502 in
-
Surface finish: 32 microinches on bearing surface, grip, and threads
-
Surface treatment: Cadmium plated with chromate
-
Surface treatment specification: QQ-P-416 Type II, Class 2, Federal Specification
-

