| EXTENDED WASHER DIAMETER | 0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.044 INCHES MINIMUM AND 0.064 INCHES MAXIMUM |
| FASTENER LENGTH | 1.474 INCHES MINIMUM AND 1.504 INCHES MAXIMUM |
| HEAD HEIGHT | 0.327 INCHES MINIMUM AND 0.347 INCHES MAXIMUM |
| HEAD MINOR DIAMETER | 0.448 INCHES MINIMUM AND 0.455 INCHES MAXIMUM |
| HEAD STYLE | SPLINE EXTENDED WASHER |
| HOLE CONFIGURATION STYLE | SPLINE |
| HOLE DIAMETER | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| HOLE QUANTITY | 4 |
| HOLE TYPE | DRILLED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP XM-13 OVERALL |
| MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SHOULDER DIAMETER | 0.3896 INCHES MINIMUM AND 0.3901 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SHOULDER LENGTH | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM FIRST SHOULDER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488,TY 2,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ALUMINUM AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.539 INCHES MINIMUM AND 0.639 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |