bolts › shear bolts
NAS6704D48
Bolt
Description
Fastener Length: 3-7/16", Thread: 1/4-28, Thread Length: 27/64"
Specifications
| Fastener Length | 3.410 inches minimum and 3.440 inches maximum |
|---|---|
| Grip Diameter | 0.249 inches minimum and 0.250 inches maximum |
| Grip Length | 2.990 inches minimum and 3.010 inches maximum |
| Head Height | 0.125 inches minimum and 0.140 inches maximum |
| Head Style | Dished hexagon |
| Length | 3 7/16 |
| Material | Steel |
| Material Specification | Uns66286 iaw ams5731, ams5732, ams5737, or ams5853 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 |
| Special Features | Has drilled shank, 0.046 in. dia. centered 0.178 in. from screw end |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Ams2700, method 1, type 2 or type 8, class 1 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 inches minimum and 0.439 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS6704-48 NAS 1/4-28 · 0.099 in · Dished hexagon · Iron
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Catalog data updated 2026-07-05. Report a data error