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NAS6203-25
Close Tolerance Bolt
Description
Close Tolerance Bolt
Specifications
| Alternate Part Number | NAS1103-25 |
|---|---|
| Country of Origin | USA |
| Drilling | Undrilled Head |
| Fastener Length | Between 1.870 inches and 1.900 inches |
| Grip | 1.562 in |
| Grip Diameter | Between 0.1885 inches and 0.1895 inches |
| Grip Length | Between 1.552 inches and 1.572 inches |
| Grip Tolerance | ±0.010 in |
| Hardness Rating | 36.0 rockwell c and 40.0 rockwell c |
| Head Height | Between 0.110 inches and 0.125 inches |
| Head Style | Dished hexagon |
| Head Type | Hexagon |
| Industry Standards/Certification | NAS6203 |
| Length | 1.885 in |
| Material | Steel |
| Material Specification | 4340 or e4340 military specification single material response mil-s-5000 |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 01-176-8323 |
| NSN | 5306-01-176-8323 |
| Specification Data | 80205-nas6203 professional/industrial association standard |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Class 2 military specification single treatment response type 2 qq-p-416 |
| Thread Class | 3a |
| 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 |
| Weight | 0.002 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 NAS6203-25 — functionally equivalent.
- NAS1103-25 Listed alternate #10-32 · 1.84 in · Dished hexagon · Steel
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Catalog data updated 2026-07-05. Report a data error