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NAS1299-3D25
Machine Screw
Description
Fastener Length: 1-61/64", Thread: 10-32, Thread Length: 25/64", NAS1299 series screw
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Distance From Head Largest Bearing Surface To Shank Hole Center | 1.741 inches minimum and 1.801 inches maximum first hole |
| Fastener Length | 1.914 inches minimum and 1.954 inches maximum |
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Diameter | 0.447 inches minimum and 0.507 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 1 61/64 |
| Material | Steel |
| Material Specification | Mil-s-6050 mil spec 1st material response or ams6300 assn std 2nd material response |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Shank Unthreaded Hole Diameter | 0.070 inches minimum and 0.080 inches maximum first hole |
| Shoulder Diameter | 0.246 inches minimum and 0.249 inches maximum first shoulder |
| Shoulder Length | 1.456 inches minimum and 1.466 inches maximum first shoulder |
| Shoulder Shape | Round first shoulder |
| Specification Data | 80205-nas1299 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,type 2,class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.342 inches minimum and 0.392 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 10 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1299-3D25. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error