| MATERIAL DOCUMENT AND CLASSIFICATION | ST3-445A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT HEIGHT | 0.364 INCHES NOMINAL |
| NUT STYLE | PLATE |
| NUT LENGTH | 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT SELF-LOCKING, ELEMENT- COUNTEBORE, DRY FILM (EXTENDED REUSABILITY) |
| PLATE THICKNESS | 0.040 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
| PLATE WIDTH | 0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3B |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 28 |