bolts › shear bolts
NAS6604-39
Bolt
Description
Fastener Length: 2-63/64", Thread: 1/4-28, Thread Length: 27/64"
Specifications
| Fastener Length | 2.972 inches minimum and 3.002 inches maximum |
|---|---|
| Grip Diameter | 0.248 inches minimum and 0.249 inches maximum |
| Grip Length | 2.422 inches minimum and 2.452 inches maximum |
| Head Height | 0.125 inches minimum and 0.140 inches maximum |
| Head Style | Hexagon Head |
| Length | 2 63/64 |
| Material | Steel |
| Material Specification | Ams6349 assn std single material response or ams6382 assn std single material response or ams6415 assn std single material response or ams6484 assn std single material response or ams6322 assn std single material response |
| Part Name Assigned By Controlling Agency | Bolt, tension, hex head, close tolerance, alloy steel, long thread, reduced major diameter, non-locking, 160 ksi ftu |
| 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 inches minimum and 0.439 inches maximum |
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.
- NAS6804U40 NAS 1/4-28 · 0.086 in · Hexagon Head · Titanium
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Catalog data updated 2026-07-05. Report a data error