screws › socket head cap screws
NAS1221-08-15
Screw
Description
Fastener Length: 1-9/32", Thread: 8-32, Thread Length: 23/64"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Criticality Code Justification | Agav |
| Fastener Length | 1.262 inches minimum and 1.292 inches maximum |
| Head Diameter | 0.294 inches minimum and 0.332 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | High-torque |
| Length | 1 9/32 |
| Locking Feature | Patch threads |
| Material | Steel |
| Material Specification | Mil-s-5626 mil spec 1st material response or mil-s-8844 mil spec 2nd material response or ams 6414 assn std 2nd material response or mil-s-6049 mil spec 3rd material response |
| Part Name Assigned By Controlling Agency | (inavy) bolt, 100 degree flush head |
| Surface Treatment | Cadmium or cadmium and chromate |
| Surface Treatment Specification | Qq-p-416, ty 1, cl 3 fed spec single treatment response or qq-p-416, ty 2, cl 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.314 inches minimum and 0.364 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJC |
| Thread Size | 8 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1221-08-15. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error