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NAS1291C02
Locking Extended Washer Nut Self
Description
Nuts
Specifications
| Countersink Angle | 120.0 degrees nominal nut |
|---|---|
| Locking Feature | Prevailing torque all metal design |
| Material | Iron |
| Material Specification | Ams 5525 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response |
| Nut Style | Hexagon |
| Overall Height | 0.080 inches minimum and 0.100 inches maximum |
| Precious Material And Location | External surface silver |
| Specification Data | 80205-nas1291 professional/industrial association standard |
| Surface Treatment | Silver |
| Surface Treatment Specification | Ams 2410 assn std single treatment response |
| Temperature Rating | 800.0 deg fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 56 |
| Thread Series | UNJC |
| Thread Size | 0.086 |
| Washer Outside Diameter | 0.167 inches maximum |
| Washer Thickness | 0.008 inches minimum |
| Weight | .005 lb |
| Width Across Flats | 0.122 inches minimum and 0.127 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 NAS1291C02. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error