| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
0.500 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
40.0 ROCKWELL C MINIMUM PRIMARY WASHER AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER |
| AASU |
HEAD HEIGHT |
0.067 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.138 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
W/O INTERNAL DRIVE |
| CTJJ |
PRIMARY WASHER MATERIAL THICKNESS |
0.016 INCHES MINIMUM AND 0.020 INCHES MAXIMUM |
| CSPG |
PRIMARY WASHER OUTSIDE DIAMETER |
0.270 INCHES MINIMUM AND 0.285 INCHES MAXIMUM |
| CTHW |
PRIMARY WASHER STYLE |
FLAT EXTERNAL TEETH |
| AAVW |
WASHER QUANTITY |
1 |
| AATB |
WIDTH BETWEEN FLATS |
0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 1,CL3 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 |
0.387 INCHES MINIMUM AND 0.484 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
