| AAVW |
WASHER QUANTITY |
1 |
| CTHW |
PRIMARY WASHER STYLE |
FLAT INTERNAL TEETH |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL OR ZINC OVERALL |
| AATB |
WIDTH BETWEEN FLATS |
0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| CTJJ |
PRIMARY WASHER MATERIAL THICKNESS |
0.025 INCHES NOMINAL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
FED STD 66 FED STD 2ND MATERIAL RESPONSE OVERALL OR QQ-S-630 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR FED STD 66 FED STD 3RD MATERIAL RESPONSE OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CQFM |
HARDNESS RATING |
40.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| MATT |
MATERIAL |
STEEL COMP 1050 OVERALL OR STEEL COMP 1010 OVERALL OR STEEL COMP 1060 OVERALL |
| AASB |
FASTENER LENGTH |
0.500 INCHES NOMINAL |
| AASA |
THREAD LENGTH |
0.500 INCHES MINIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AASK |
HEAD STYLE |
HEXAGON |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| AASU |
HEAD HEIGHT |
0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| CSPG |
PRIMARY WASHER OUTSIDE DIAMETER |
0.466 INCHES MINIMUM AND 0.478 INCHES MAXIMUM |