bolts › shear bolts
NAS6704DU19
Shear Bolt
Description
Fastener Length: 1-5/8", Thread: 1/4-28, Thread Length: 7/16
Specifications
| Distance From Head Largest Bearing Surface To Shank Hole Center | 1.347 inches first hole and 1.397 inches first hole |
|---|---|
| End Application | Rq-4a |
| Fastener Length | Between 1.598 inches and 1.628 inches |
| Grip Diameter | Between 0.2490 inches and 0.2495 inches |
| Grip Length | Between 1.178 inches and 1.198 inches |
| Head Height | Between 0.125 inches and 0.140 inches |
| Head Style | Dished hexagon |
| Length | 1 5/8 |
| Material | Iron |
| Material Specification | Ams 5731 assn standard single material response or ams 5737 assn standard single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Part Name Assigned By Controlling Agency | Shear bolt |
| Shank Unthreaded Hole Diameter | 0.076 inches first hole and 0.086 inches first hole |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.400 inches and 0.450 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 1/4 |
| Width Between Flats | Between 0.429 inches and 0.439 inches |
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.
- NAS1304-19D NAS 1/4-28 · 0.073 in · Dished hexagon · Steel
- NAS6604D19 NAS 1/4-28 · 0.073 in · Dished hexagon · Steel
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Catalog data updated 2026-07-05. Report a data error