| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5640 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | SILVER OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2410 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| COLLAR STYLE | THREADED (BREAK OFF) TYPE |
| COLLAR OUTSIDE DIAMETER | 0.610 MILLIMETERS MINIMUM AND |
| 0.620 MILLIMETERS MAXIMUM |
| COLLAR OVERALL HEIGHT | 0.642 MILLIMETERS MINIMUM AND |
| 0.672 MILLIMETERS MAXIMUM |
| COLLAR INSIDE DIAMETER | 0.417 MILLIMETERS NOMINAL |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| THREAD CLASS | 3B |
| THREAD QUANTITY PER INCH | 24 |
| THREAD DIRECTION | RIGHT-HAND |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HI-LOK COLLAR |