bolts › close tolerance bolts
NAS1996-8T
Close Tolerance Bolt
Description
Reduced Head Bolt
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Country of Origin | USA |
| Fastener Length | 1.063 inches minimum and 1.093 inches maximum |
| Grip Diameter | 0.3735 inches minimum and 0.3745 inches maximum |
| Grip Length | 0.490 inches minimum and 0.510 inches maximum |
| Hardness Rating | 39.0 rockwell c minimum and 43.0 rockwell c maximum |
| Head Diameter | 0.513 inches minimum and 0.566 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Offset cruciform (torque set) |
| Length | 1 5/64 |
| Material | Steel |
| Material Specification | Mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response |
| NIIN | 01-268-1207 |
| NSN | 5305-01-268-1207 |
| Specification Data | 80205-nas1996 professional/industrial association standard |
| Surface Finish | 32.0 microinches grip, 32.0 microinches threads, 63.0 microinches bearing surface of head |
| 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 | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | 0.553 inches minimum and 0.603 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 3/8 |
| Weight | 0.0325 lb |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1996-8T. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error