| MRC |
Requirement Statement |
Characteristics |
| CBBL |
FEATURES PROVIDED |
UNFINISHED HEAD |
| SR-1 |
SPEC/STD CONTROLLING DATA |
|
| AASB |
FASTENER LENGTH |
1.875 INCHES NOMINAL |
| AATB |
WIDTH BETWEEN FLATS |
0.375 INCHES NOMINAL |
| SR-1 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
FF-S-85 |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| CQFM |
HARDNESS RATING |
95.0 ROCKWELL B MINIMUM OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
550000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| MATT |
MATERIAL |
STEEL COMP 1010 OVERALL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| SR-1 |
MANUFACTURERS CODE |
81348 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.875 INCHES MINIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
2 TYPE AND 10P STYLE AND 5 GRADE |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AASU |
HEAD HEIGHT |
0.156 INCHES NOMINAL |
