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NAS6606-31
Close Tolerance Bolt
Description
Close Tolerance Bolt
Specifications
| Country of Origin | USA |
|---|---|
| Drilling | Undrilled Head |
| Fastener Length | Between 2.501 inches and 2.531 inches |
| Grip | 1.938 in |
| Grip Diameter | Between 0.3735 inches and 0.3745 inches |
| Grip Length | Between 1.928 inches and 1.948 inches |
| Grip Tolerance | ±0.010 in |
| Head Height | Between 0.188 inches and 0.203 inches |
| Head Style | Dished hexagon |
| Head Type | Hexagon |
| Industry Standards/Certification | NAS6606 |
| Length | 2.516 in |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 01-054-2518 |
| NSN | 5306-01-054-2518 |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Class 3 federal specification single treatment response type 2 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.553 inches and 0.603 inches |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.3750-24, 3/8 |
| Weight | 0.009 lb |
| Width Between Flats | Between 0.553 inches and 0.564 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS6606-31. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error