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NAS1081-5A4
Setscrew
Description
Fastener Length: 1/4", Thread: 1/4-24, Head Width: 5/32", Thread Length: 1/4"
Specifications
| Fastener Length | 0.250 |
|---|---|
| Hardness Rating | 45.0 rockwell c minimum and 53.0 rockwell c maximum |
| Head Style | Headless (setscrew) |
| Internal Drive Style | Hexagon |
| Locking Feature | Pellet threads or strip threads |
| Material | Steel |
| Material Specification | 66 fed std all material responses |
| Point Style | Flat |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,type 2,class 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.250 inches maximum |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNF |
| Width Across Flats | 0.156 inches minimum and 0.158 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1081-5A4
- NAS1081-5A14
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1081-5A4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error