nuts › self-locking nutplates
NAS1791A3-1K
Two Lug Locknut Plate
Description
Thread Size: 3/16", Nut Length: 15/16", Nut Height: 1/4"
Specifications
| Material | Steel |
|---|---|
| Material Specification | Ams5525 assn std single material response |
| Nut Height | 0.250 inches maximum |
| Nut Length | 0.948 inches maximum |
| Nut Style | Plate (floating) |
| Part Name Assigned By Controlling Agency | Nut, self-locking, plate-two lug, floating, variable counterbore, replaceable nut element 125ksi ftu 450 deg f and 800 deg f |
| Plate Thickness | 0.027 inches minimum and 0.037 inches maximum |
| Plate Width | 0.484 inches maximum |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416, type ii, class 2 fed spec single treatment response |
| Thread Class | 3b |
| 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
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Catalog data updated 2026-07-05. Report a data error