| MATERIAL | STEEL COMP 4340 OR |
| STEEL COMP 8740 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6414 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS6322 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS6325 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS6327 ASSN STD SINGLE MATERIAL RESPONSE |
| SURFACE TREATMENT | OXIDE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 96906-MIL-DTL-13924 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| NOMINAL THREAD SIZE | 0.3125 INCHES NUT THREAD A |
| 0.3125 INCHES NUT THREAD B |
| THREAD QUANTITY PER INCH | 18 NUT THREAD A |
| 24 NUT THREAD B |
| SPECIAL FEATURES | MATERIAL: ALLOY STEEL 4340 PER AMS6414 OR 8740 PER AMS6322 OR AMS6325 OR AMS6327, HEAT TREATMENT 180-200 KSI ULTIMATE TENSILE STRENGTH PER AMS2759, FINISH: CHEMICAL BLACK OXIDE PER MIL-DTL-13924 |
| SPECIAL TEST FEATURES | PITCH DIAMETER: OVERSIZE .2910"MAX, .2900"MIN,PD LEAD THREAD: .2854"MAX, .2834"MIN,MINOR DIAMETER: .2634"MAX, .2586"MIN |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | STUD,STRAIGHT,VENTED, .3125-18 X .3125-24,180 KSI, SPECIAL |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 97499 |
| MFR SOURCE CONTROLLING REFERENCE | 120-279M |