THREAD SERIES | UNF |
NOMINAL THREAD SIZE | 0.562 INCHES |
THREAD QUANTITY PER INCH | 18 |
THREAD CLASS | 3B |
THREAD DIRECTION | RIGHT-HAND |
MATERIAL | IRON ALLOY 660 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | SILVER OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AAM 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
NUT STYLE | HEXAGON |
WASHER OUTSIDE DIAMETER | 0.912 INCHES MAXIMUM |
OVERALL HEIGHT | 0.420 INCHES MINIMUM AND |
| 0.480 INCHES MAXIMUM |
WASHER THICKNESS | 0.045 INCHES MINIMUM |
WIDTH ACROSS FLATS | 0.680 INCHES MINIMUM AND |
| 0.692 INCHES MAXIMUM |
LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
COUNTERSINK ANGLE | 120.0 DEGREES NOMINAL NUT |
TEMP RATING | 800.0 DEG FAHRENHEIT NOMINAL |
SPECIFICATION/STANDARD DATA | 80205-NAS1291 GOVERNMENT STANDARD |
PRECIOUS MATERIAL AND LOCATION | EXTERNAL SURFACE SILVER |