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NAS1791C3-4K
Two Lug Locknut Plate
Description
Thread Size: 3/16", Nut Length: 15/16", Nut Height: 7/16"
Specifications
| Center To Center Distance Between Mounting Holes Along Length | 0.686 inches minimum and 0.690 inches maximum |
|---|---|
| Counterbore Diameter | 0.194 inches nominal nut |
| Distance From Aperture Center To Mounting Hole Center | 0.3398 inches minimum and 0.349 inches maximum |
| Features Provided | Floating nut |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | Iron |
| Material Specification | Ams 5525 assn std single material response nut or ams 5732 assn std single material response nut or ams 5737 assn std single material response nutams 5525 assn std single material response seal |
| Mounting Hole Arrangement Style | 2 holes |
| Mounting Hole Diameter | 0.098 inches minimum and 0.103 inches maximum |
| Nut Counterbore Depth | 0.250 inches nominal nut |
| Nut Height | 0.438 inches maximum |
| Nut Length | 0.948 inches maximum |
| Nut Mounting Provision | Dimpled holes |
| Nut Style | Plate |
| Plate Thickness | 0.027 inches minimum and 0.037 inches maximum |
| Plate Width | 0.445 inches maximum |
| Specification Data | 80205-nas1791 professional/industrial association standard |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Temperature Rating | 450.0 deg fahrenheit maximum |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNJF |
| Thread Size | 0.190 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS1791C3-4 NAS #10-32 · Iron
- NAS1792A3-1 NAS #10-32 · Steel
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Catalog data updated 2026-07-05. Report a data error