| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
4.250 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
74.0 BRINELL HULTGREN MINIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.348 INCHES MINIMUM AND 0.371 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
70000 POUNDS PER SQUARE INCH |
| CQHQ |
MINIMUM YIELD STRENGTH |
30000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.562 INCHES |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
FFS-S-66,SERIES 300 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATB |
WIDTH BETWEEN FLATS |
0.798 INCHES MINIMUM AND 0.813 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.375 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
