bolts › close tolerance bolts
NAS1203-1
Close Tolerance Bolt
Description
Close Tolerance Bolt
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Country of Origin | USA |
| Fastener Length | 0.323 inches minimum and 0.353 inches maximum |
| Grip | 0.062 in |
| Grip Diameter | 0.1885 inches minimum and 0.1895 inches maximum |
| Grip Length | 0.062 |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Angle | 100 º |
| Head Diameter | 0.328 inches minimum and 0.385 inches maximum |
| Head Style | Flat countersunk |
| Head Type | Countersunk |
| Industry Standards/Certification | NAS1203 |
| Internal Drive Style | Cross recess type 1 |
| Length | 0.338 in, 11/32 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 00-890-0082 |
| NSN | 5305-00-890-0082 |
| Specification Data | 80205-nas1203 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 3 fed spec all treatment responses |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.276 inches minimum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNF |
| Thread Size | 0.1900-32, 10 |
| Weight | .005 lb |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1203-1. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error