| MRC |
Requirement Statement |
Characteristics |
| AHYM |
NOMINAL THREAD DIAMETER |
1.250 INCHES |
| AAJD |
THREAD CLASS |
2A |
| AASU |
HEAD HEIGHT |
0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
ASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SR-1 |
SPEC/STD CONTROLLING DATA |
|
| CMLP |
THREAD QUANTITY PER INCH |
12 |
| SR-1 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
FF-S-85 |
| MATT |
MATERIAL |
STEEL OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| SFTT |
SURFACE TREATMENT |
ZINC AND CHROMATE OVERALL |
| 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 |
| AASB |
FASTENER LENGTH |
4.812 INCHES MINIMUM AND 5.000 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
2.750 INCHES MINIMUM AND 2.938 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE J429 GR8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
150000 POUNDS PER SQUARE INCH |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
2 TYPE AND 10P STYLE AND 8 GRADE |
