| MRC |
Requirement Statement |
Characteristics |
| HUES |
COLOR |
GRAY OVERALL |
| AASB |
FASTENER LENGTH |
1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
80.0 ROCKWELL B MINIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL COMP 301 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 308 OVERALL OR STEEL COMP 309 OV |
| CQBC |
MINIMUM TENSILE STRENGTH |
80000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 FED STD ALL MATERIAL RESPONSES OVERALL |
| AATB |
WIDTH BETWEEN FLATS |
0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
MIL-C-81751 TY1 CL4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CERAMIC OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.250 INCHES MINIMUM AND 1.442 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
13 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
