bolts › shoulder bolts
NAS1297-4-4
Bolt
Description
Fastener Length: 47/64", Thread: 1/4-28, Thread Length: 7/16"
Specifications
| Fastener Length | 0.703 inches minimum and 0.743 inches maximum |
|---|---|
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Height | 0.172 inches minimum and 0.204 inches maximum |
| Head Style | Hexagon Head |
| Length | 47/64 |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Shoulder Diameter | 0.3090 inches minimum first shoulder and 0.3120 inches maximum first shoulder |
| Shoulder Length | 0.260 inches minimum first shoulder and 0.270 inches maximum first shoulder |
| Shoulder Shape | Round first shoulder |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,ty 2 cl 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.362 inches minimum and 0.448 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.490 inches minimum and 0.502 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1297-4-3
- NAS1297-4-4
- NAS1297-4-6
- NAS1297-4-11
- NAS1297-4-12
- NAS1297-4-18
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1297-4-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error