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NAS577B7A
Plain Hexagon Nut
Description
Self Locking Floating Barrel Nut
Specifications
| End Application | C-5b aircraft |
|---|---|
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | Steel |
| Material Specification | Class 1 military specification 2nd material response mil-s-6049 military specification 1st material response or ams 6322 assn standard 1st material response or mil-s-8844 |
| NIIN | 01-317-8989 |
| NSN | 5310-01-317-8989 |
| Nut Diameter | Between 0.775 inches and 0.778 inches |
| Nut Height | 0.625 |
| Nut Length | Between 0.865 inches and 0.875 inches |
| Nut Style | Floating self-locking barrel |
| Specification Data | 80205-nas577 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Cl 2 federal specification single treatment response type 2 qq-p-416 |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.437 |
| Weight | .005 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS577B4F
- NAS577B5F
- NAS577B7A
- NAS577B8F
- NAS577B9A
- NAS577B10A
- NAS577B20A
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS577B7A. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error