| FASTENER LENGTH | 0.625 INCHES NOMINAL |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM FASTENER |
| HEAD STYLE | HEADLESS (SETSCREW) |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI4032 ASSN STD 1ST MATERIAL RESPONSE OR AISI4037 ASSN STD 2ND MATERIAL RESPONSE OR AISI8630 ASSN STD 3RD MATERIAL RESPONSE OR AISI8740 ASSN STD 4TH MATERIAL RESPONSE FASTENER |
| MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE |
| MATERIAL | STEEL COMP 4032 OR STEEL COMP 4037 OR STEEL COMP 8630 OR STEEL COMP 8740 FASTENER |
| POINT STYLE | FLAT |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| WIDTH ACROSS FLATS | 0.219 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC ALL TREATMENT RESPONSES FASTENER |
| SURFACE TREATMENT | CADMIUM AND CHROMATE FASTENER |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNC |