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NAS1191-08P5N
Screw
Description
Fastener Length: 5/16", Thread: 8-32, Thread Length: 5/16"
Specifications
| Fastener Length | 0.281 inches minimum and 0.312 inches maximum |
|---|---|
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Diameter | 0.265 inches minimum and 0.270 inches maximum |
| Head Height | 0.088 inches minimum and 0.102 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Cross recess type 1 |
| Length | 5/16 |
| Locking Feature | Pellet threads |
| Material | Steel |
| Material Specification | Mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1191 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches threads |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,type 2,class 3 fed spec all treatment responses |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.219 inches minimum and 0.312 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNC |
| Thread Size | 8 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1191-08P4
- NAS1191-08P5N
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.
- NAS1101-08-5 NAS #8-32 · 5/16 in · Flat chamfer · Steel
- NAS1101E08-5 NAS #8-32 · 5/16 in · Flat chamfer · Iron
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Catalog data updated 2026-07-05. Report a data error