| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 1.230 INCHES MINIMUM AND |
| 1.270 INCHES MAXIMUM |
| MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE |
| STEEL COMP 4032 OR |
| STEEL COMP 4037 OR |
| STEEL COMP 4137 OR |
| STEEL COMP 4140 OR |
| STEEL COMP 8630 OR |
| STEEL COMP 8740 FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED-STD66 FED STD ALL MATERIAL RESPONSES FASTENER |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND |
| 45.0 ROCKWELL C MAXIMUM FASTENER |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| HEAD STYLE | HEADLESS (SETSCREW) |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL |
| LOCKING FEATURE | PATCH OR |
| PELLET OR |
| STRIP THREADS |
| POINT STYLE | FLAT |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND |
| 1 STYLE |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-200 |