| MRC |
Requirement Statement |
Characteristics |
| AATC |
EXTENDED WASHER DIAMETER |
0.850 INCHES MINIMUM AND 0.890 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.070 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
1.880 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.376 INCHES NOMINAL |
| AASK |
HEAD STYLE |
HEXAGON EXTENDED WASHER |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE J429 GR B ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.437 INCHES |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATB |
WIDTH BETWEEN FLATS |
0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.620 INCHES MINIMUM AND 1.630 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
