| AASU |
HEAD HEIGHT |
0.263 INCHES MINIMUM AND 0.305 INCHES MAXIMUM |
| AATB |
WIDTH BETWEEN FLATS |
0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.340 INCHES NOMINAL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AATC |
EXTENDED WASHER DIAMETER |
0.624 INCHES MINIMUM AND 0.676 INCHES MAXIMUM |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AATD |
EXTENDED WASHER THICKNESS |
0.055 INCHES MINIMUM AND 0.075 INCHES MAXIMUM |
| AATN |
SHOULDER DIAMETER |
0.312 INCHES MINIMUM FIRST SHOULDER AND 0.317 INCHES MAXIMUM FIRST SHOULDER |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE J429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AASB |
FASTENER LENGTH |
0.625 INCHES NOMINAL |
| AATX |
SHOULDER LENGTH |
0.280 INCHES MINIMUM FIRST SHOULDER AND 0.290 INCHES MAXIMUM FIRST SHOULDER |
| AASK |
HEAD STYLE |
HEXAGON EXTENDED WASHER |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
20 |