nuts › self-locking barrel nuts
NAS577B5A
Locking Barrel Nut Self
Description
Self Locking Floating Barrel Nut
Specifications
| Counterbore Diameter | 0.344 inches nut and 0.354 inches nut |
|---|---|
| Features Provided | Floating nut |
| Hardness Rating | Between 36.0 rockwell c and 43.0 rockwell c |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | Steel |
| Material Specification | Mil-s-5626 military specification 1st material response nut or mil-s-6049 military specification 2nd material response nut or mil-s-5000 military specification 3rd material response nut |
| Nut Counterbore Depth | 0.120 inches nut and 0.130 inches nut |
| Nut Diameter | Between 0.587 inches and 0.590 inches |
| Nut Height | 0.468 |
| Nut Length | Between 0.678 inches and 0.698 inches |
| Nut Style | Floating self-locking barrel |
| Specification Data | 80205-nas577 professional/industrial association standard |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416 federal specification single treatment response |
| Temperature Rating | 450.0 degrees fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.312 |
| Weight | .005 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS577B4A
- NAS577B5A
- NAS577B6A
- NAS577B8A
- NAS577B12A
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS577B5A. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error