| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
40.0 ROCKWELL C MINIMUM PRIMARY WASHER AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER |
| AASU |
HEAD HEIGHT |
0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE ASSN STD ALL MATERIAL RESPONSES PRIMARY WASHER |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| MATT |
MATERIAL |
STEEL COMP 1050 OVERALL OR STEEL COMP 1566 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CTJJ |
PRIMARY WASHER MATERIAL THICKNESS |
0.025 INCHES NOMINAL |
| CSPG |
PRIMARY WASHER OUTSIDE DIAMETER |
0.466 INCHES MINIMUM AND 0.478 INCHES MAXIMUM |
| CTHW |
PRIMARY WASHER STYLE |
FLAT EXTERNAL TEETH |
| AAVW |
WASHER QUANTITY |
1 |
| AATB |
WIDTH BETWEEN FLATS |
0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL OR ZINC OVERALL |
| AASA |
THREAD LENGTH |
0.244 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
