| FASTENER LENGTH | 1.478 INCHES MINIMUM AND 1.522 INCHES MAXIMUM |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM FASTENER |
| HEAD STYLE | HEADLESS (SETSCREW) |
| INTERNAL DRIVE STYLE | HEXAGON |
| LOCKING FEATURE | STRIP THREADS |
| MATERIAL | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| MATERIAL | STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 8630 OR STEEL COMP 8740 FASTENER |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| POINT STYLE | FLAT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| SURFACE TREATMENT | CADMIUM AND CHROMATE FASTENER |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH ACROSS FLATS | 0.1875 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |