| MRC |
Requirement Statement |
Characteristics |
| AHYM |
NOMINAL THREAD DIAMETER |
1.250 INCHES |
| SR-1 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
FFS85 |
| AAJD |
THREAD CLASS |
2A |
| AASU |
HEAD HEIGHT |
0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
5.500 INCHES NOMINAL |
| SR-1 |
SPEC/STD CONTROLLING DATA |
|
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
2 TYPE AND 1 STYLE AND 2 GRADE |
| CMLP |
THREAD QUANTITY PER INCH |
7 |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQFM |
HARDNESS RATING |
70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| SR-1 |
MANUFACTURERS CODE |
81348 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AATB |
WIDTH BETWEEN FLATS |
1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| CSYM |
SURFACE FINISH |
125.0 MICROINCHES BEARING SURFACE OF HEAD |
| CQBC |
MINIMUM TENSILE STRENGTH |
60000 POUNDS PER SQUARE INCH |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASA |
THREAD LENGTH |
2.750 INCHES MINIMUM |
