| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
1.438 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
40.0 ROCKWELL C MINIMUM PRIMARY WASHER AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER |
| CQFM |
HARDNESS RATING |
30.0 ROCKWELL C MINIMUM FASTENER AND 40.0 ROCKWELL C MAXIMUM FASTENER |
| AASU |
HEAD HEIGHT |
0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATT |
MATERIAL |
STEEL COMP 1020 OVERALL OR STEEL COMP 1050 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.375 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| CTJJ |
PRIMARY WASHER MATERIAL THICKNESS |
0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| CSPG |
PRIMARY WASHER OUTSIDE DIAMETER |
0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM |
| CTHW |
PRIMARY WASHER STYLE |
FLAT EXTERNAL TEETH |
| FEAT |
SPECIAL FEATURES |
W/HEADER POINT |
| AAVW |
WASHER QUANTITY |
1 |
| AATB |
WIDTH BETWEEN FLATS |
0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 1,CL 3 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 |
1.313 INCHES MINIMUM AND 1.438 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
16 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
