| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| OVERALL HEIGHT | 0.536 INCHES MINIMUM AND 0.556 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| PRECIOUS MATERIAL AND LOCATION | ALL SURFACES SILVER |
| PRECIOUS MATERIAL | SILVER |
| WASHER OUTSIDE DIAMETER | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
| WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | SILVER OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |