THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.190 INCHES |
THREAD QUANTITY PER INCH | 32 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.250 INCHES MAXIMUM |
FASTENER LENGTH | 0.250 INCHES NOMINAL |
MATERIAL | STEEL COMP 4037 OR |
| STEEL COMP 4140 OR |
| STEEL COMP 8630 OR |
| STEEL COMP 8740 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OR |
| AISI/SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
SURFACE TREATMENT | PHOSPHATE OVERALL |
HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND |
| 53.0 ROCKWELL C MAXIMUM OVERALL |
HEAD STYLE | HEADLESS (SETSCREW) |
INTERNAL DRIVE STYLE | HEXAGON |
WIDTH ACROSS FLATS | 0.093 INCHES MINIMUM AND |
| 0.095 INCHES MAXIMUM |
POINT STYLE | FLAT |
NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND |
| 3 STYLE |
SPEC/STD CONTROLLING DATA | |
MANUFACTURERS CODE | 81348 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFS103 |
MANUFACTURERS CODE | 96906 |
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS51028-49 |