| MRC |
Requirement Statement |
Characteristics |
| AASM |
BOTTOM COUNTERSINK DIAMETER |
0.600 INCHES MINIMUM AND 0.610 INCHES MAXIMUM |
| CRSQ |
COUNTERSINK ANGLE |
37.5 DEGREES MINIMUM AND 38.0 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
1.875 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.840 INCHES NOMINAL |
| AASK |
HEAD STYLE |
HEXAGON COUNTERSUNK UNDERCUT |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATT |
MATERIAL |
STEEL COMP 1013 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1017 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1021 OVERALL OR STEEL COMP 1022 OVERALL OR STEEL COMP 1 |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| AATB |
WIDTH BETWEEN FLATS |
0.750 INCHES NOMINAL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
HC 402 FSC-30076 MFR REF 1ST TREATMENT RESPONSE OVERALL OR HC 403 FSC-30076 MFR REF 2ND TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
PHOSPHATE OVERALL OR PHOSPHATE ZINC OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.970 INCHES MINIMUM AND 1.160 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
13 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
