bolts › shear bolts
NAS6704D44
Bolt
Description
Fastener Length: 3-3/16", Thread: 1/4-28, Thread Length: 27/64"
Specifications
| Color | Green threads |
|---|---|
| Distance From Head Largest Bearing Surface To Shank Hole Center | 2.997 inches nominal first hole |
| Fastener Length | 3.160 inches minimum and 3.190 inches maximum |
| Grip Diameter | 0.249 nominal mils and 0.250 nominal centimeters |
| Grip Length | 2.740 nominal mils and 2.760 nominal centimeters |
| Head Height | 0.125 inches minimum and 0.140 inches maximum |
| Head Style | Dished hexagon |
| Length | 3 3/16 |
| Material | Iron |
| Material Specification | Ams 5731 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response or ams 5853 assn std single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Part Name Assigned By Controlling Agency | Bolt, tension, hex head, close tolerance, a286 cres, long thread, reduced major thread dia, nonlocking 160 ksi ftu |
| Shank Unthreaded Hole Diameter | 0.076 nominal mils first hole and 0.086 nominal centimeters first hole |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Ams-qq-p-416, type ii, class 2 assn std single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.425 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.429 nominal mils and 0.439 nominal centimeters |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
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Catalog data updated 2026-07-05. Report a data error