| OVERALL LENGTH | 14.560 INCHES MINIMUM AND 14.680 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A304 ASSN STD ALL MATERIAL RESPONSES |
| MATERIAL | STEEL COMP 4140H OR STEEL COMP 8640H |
| NOMINAL THREAD SIZE | 1.250 INCHES NUT THREAD A |
| NOMINAL THREAD SIZE | 1.250 INCHES NUT THREAD B |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD DIRECTION | LEFT-HAND NUT THREAD B |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD A |
| THREAD CLASS | 2A NUT THREAD A |
| THREAD CLASS | 2A NUT THREAD B |
| THREAD LENGTH | 3.220 INCHES MINIMUM AND 3.280 INCHES MAXIMUM NUT THREAD A |
| THREAD LENGTH | 3.220 INCHES MINIMUM AND 3.280 INCHES MAXIMUM NUT THREAD B |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD A |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD B |
| THREAD QUANTITY PER INCH | 12 NUT THREAD A |
| THREAD QUANTITY PER INCH | 12 NUT THREAD B |