| MRC |
Requirement Statement |
Characteristics |
| ASDB |
WIDTH ACROSS FLATS |
0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM |
| ABQJ |
POINT STYLE |
CUP |
| MATT |
MATERIAL |
STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL |
| SR-1 |
SPEC/STD CONTROLLING DATA |
|
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| AAJD |
THREAD CLASS |
3A |
| AASA |
THREAD LENGTH |
0.250 INCHES MINIMUM |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
1 TYPE AND 4 STYLE |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 FED STD ALL MATERIAL RESPONSES OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| SR-1 |
MANUFACTURERS CODE |
81348 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| AASB |
FASTENER LENGTH |
0.250 INCHES NOMINAL |
| SR-1 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
FFS200 |
| CQFM |
HARDNESS RATING |
45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
