| MRC |
Requirement Statement |
Characteristics |
| ASDB |
WIDTH ACROSS FLATS |
0.312 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| SR-1 |
SPEC/STD CONTROLLING DATA |
|
| AHYM |
NOMINAL THREAD DIAMETER |
0.438 INCHES |
| AASU |
HEAD HEIGHT |
0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| SR-1 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
FF-S-86 |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| AAJD |
THREAD CLASS |
3A |
| MATT |
MATERIAL |
STEEL OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
6 TYPE |
| SR-1 |
MANUFACTURERS CODE |
81348 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.770 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.740 INCHES MINIMUM AND 0.770 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
