| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
0.844 INCHES MINIMUM AND 0.875 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 BEARING SURFACE OF HEAD AND 40.0 ROCKWELL C MAXIMUM BEARING SURFACE OF HEAD |
| AASU |
HEAD HEIGHT |
0.208 INCHES MINIMUM AND 0.230 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 |
0.312 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| CTJJ |
PRIMARY WASHER MATERIAL THICKNESS |
0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM |
| CSPG |
PRIMARY WASHER OUTSIDE DIAMETER |
0.567 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
| CTHW |
PRIMARY WASHER STYLE |
FLAT EXTERNAL TEETH |
| FEAT |
SPECIAL FEATURES |
W/HEADER POINT |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AAVW |
WASHER QUANTITY |
1 |
| AATB |
WIDTH BETWEEN FLATS |
0.489 INCHES MINIMUM AND 0.500 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 |
0.761 INCHES MINIMUM AND 0.844 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
