Nut -
| Detail | Characteristic |
| DRILLED HOLE DIAMETER | 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| BEARING SURFACE FINISH | 125.0 MICROINCHES |
| BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| COUNTERSINK ANGLE | 110.0 DEGREES NOMINAL BOTH ENDS |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| HOLE CONFIGURATION STYLE | CONFIGURATION B |
| HOLE TYPE AND QUANTITY | 3 DRILLED |
| NUT HEIGHT | 0.281 INCHES NOMINAL |
| NUT STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| NOMINAL THREAD SIZE | 0.438 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | LEFT-HAND |
| THREAD SERIES | UNJF |
| THREAD QUANTITY PER INCH | 20 |
| SPECIFICATION/STANDARD DATA | 80205-NAS509 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| WIDTH ACROSS FLATS | 0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM |
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Unit of Measure
Inventory |
N/A {0} |
Estimated Ship Date |
N/A {N/A} |
Inventory Note |
N/A Need additional stock? Call (877) 920-1876 or email |
Weight |
N/A .005 lb |
NSN |
N/A 5310-00-543-5039 |
NIIN |
N/A 00-543-5039 |
Part # Unpunctuated |
N/A NAS509L7 |
Minimum Order Note |
N/A Minimum order is 5. Must order in increments of 1. |
Note |
N/A Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment. |
California Residents |
N/A Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. |


