| MRC |
Requirement Statement |
Characteristics |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
2.312 INCHES NOMINAL FIRST HOLE |
| AASB |
FASTENER LENGTH |
2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OVERALL OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL COMP 1020 OVERALL OR STEEL COMP 1021 OVERALL OR STEEL COMP 1022 OVERALL OR STEEL COMP 1023 OVERALL OR STEEL COMP 1524 OVERALL OR STEEL COMP 1025 OVERALL OR STEEL COMP 1026 OVERALL OR STEEL COMP 1527 OVERALL OR STEEL COMP 1029 OVERALL OR STEEL COMP 1 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.625 INCHES |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.140 INCHES NOMINAL FIRST HOLE |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATB |
WIDTH BETWEEN FLATS |
0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM |
| CSYM |
SURFACE FINISH |
125.0 MICROINCHES OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 2,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL OR ZINC OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.907 INCHES MINIMUM AND 0.969 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
