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NAS428-3A7
Crowned Hex Head Machine Bolt
Description
Crowned Hex Head Machine Bolt
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | 0.875 |
| Head Height | 0.109 |
| Head Style | Hexagon Head |
| Head Type | Hexagon |
| Industry Standards/Certification | NAS428 |
| Length | 0.875 in, 7/8 |
| Material | Steel |
| Part Name Assigned By Controlling Agency | Bolt,machine,125,000 psi - crowned hexagon head,adjusting |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | 11-p-416, ty ii, cl 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.563 inches minimum and 0.687 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 0.1900-32, 10 |
| Weight | 0.01 lb |
| Width Between Flats | 0.365 inches minimum and 0.377 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS428-3A7. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error