| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| AATB |
WIDTH BETWEEN FLATS |
0.938 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
0.937 INCHES NOMINAL |
| MATT |
MATERIAL |
STEEL COMP 1018 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1030 OVERALL |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AASU |
HEAD HEIGHT |
0.250 INCHES NOMINAL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AATX |
SHOULDER LENGTH |
0.375 INCHES NOMINAL FIRST SHOULDER |
| AATN |
SHOULDER DIAMETER |
0.6170 INCHES MINIMUM FIRST SHOULDER AND 0.6200 INCHES MAXIMUM FIRST SHOULDER |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASA |
THREAD LENGTH |
0.500 INCHES MINIMUM |
| AAJD |
THREAD CLASS |
2A |
| AASK |
HEAD STYLE |
HEXAGON |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| FEAT |
SPECIAL FEATURES |
0.031 IN. W BY 0.062 IN. DEEP UNDER-CUT UNDER SHOULDER,0.062 IN. BY 45.0 DEG CHAMFER AT THD END |