bolts › close tolerance bolts
NAS8603-2
Close Tolerance Bolt
Description
Length: 0.448", grip: 0.125", thread: 10-32, reduced head, close tolerance, short thread, philips recess, cadmium plated alloy steel, NAS8603 series bolt
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Country of Origin | USA |
| Drive Style | Phillips |
| Fastener Length | Between 0.433 inches and 0.463 inches |
| Grip | 0.125 in |
| Grip Diameter | Between 0.1885 inches and 0.1895 inches |
| Grip Length | Between 0.115 inches and 0.135 inches |
| Head Angle | 100 º |
| Head Diameter | Between 0.266 inches and 0.303 inches |
| Head Style | Flat countersunk |
| Head Type | Countersunk Reduced |
| Industry Standards/Certification | NAS8603 |
| Internal Drive Style | Cross recess type 1 |
| Length | 0.448 in |
| Material | Steel |
| Material Specification | Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams 6322 assn standard 2nd material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 01-448-5086 |
| NSN | 5305-01-448-5086 |
| Shear Strength | 95 ksi |
| Specification Data | 80205-nas8603 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Type 2 cl 2 federal specification all treatment responses qq-p-416 |
| Tensile Strength | 160 ksi |
| Thread Class | Aal |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.323 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.1900-32, 10 |
| Thread Type | Short Thread |
| Weight | 0.0003 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
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Catalog data updated 2026-07-05. Report a data error