| COLOR | BLACK OVERALL |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.250 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL THICKNESS | 0.031 INCHES MINIMUM AND 0.037 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 2 STYLE AND C CLASS |
| STYLE DESIGNATOR | SPLIT HELICAL-RIGHT HAND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE FILM OVERALL |