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NAS6603-34
Close Tolerance Bolt
Description
Close Tolerance Bolt
Specifications
| Alternate Part Number | NAS1303-34 |
|---|---|
| Country of Origin | USA |
| Drilling | Undrilled Head |
| Fastener Length | 2.455 inches minimum and 2.485 inches maximum |
| Grip | 2.125 in |
| Grip Diameter | 0.1885 inches minimum and 0.1895 inches maximum |
| Grip Length | 2.115 inches minimum and 2.135 inches maximum |
| Grip Tolerance | ±0.010 in |
| Head Height | 0.110 inches minimum and 0.125 inches maximum |
| Head Style | Dished hexagon |
| Head Type | Hexagon |
| Industry Standards/Certification | NAS6603 |
| Length | 2 31/64, 2.470 in |
| Material | Steel |
| Material Specification | Mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 01-212-0062 |
| NSN | 5306-01-212-0062 |
| Specification Data | 80205-nas6603 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 | Qq-p-416 ty 2 class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.320 inches minimum and 0.370 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 0.1900-32, 10 |
| Weight | .005 lb |
| Width Between Flats | 0.367 inches minimum and 0.376 inches maximum |
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for NAS6603-34 — functionally equivalent.
- NAS1303-34 Listed alternate
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Catalog data updated 2026-07-05. Report a data error