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NAS1303-21
NAS Bolts
Description
Fastener Length: 1-5/8", Thread: 10-32, Thread Length: 5/16
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | 1.650 |
| Grip Diameter | Between 0.1885 inches and 0.1895 inches |
| Grip Length | 1.312 |
| Hardness Rating | 36.0 rockwell c and 40.0 rockwell c |
| Head Height | 0.110 |
| Head Style | Dished hexagon |
| Material | Steel |
| Material Specification | Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1303 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Type 2 cl 2 federal specification single treatment response qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.338 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 10 |
| Weight | .005 lb |
| Width Between Flats | Between 0.367 inches and 0.376 inches |
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for NAS1303-21 — functionally equivalent.
- NAS6603-21 Listed alternate 32.00-32 · 0.073 in · Undercut hexagon · Steel
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Catalog data updated 2026-07-05. Report a data error