| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TYPE 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AATN |
SHOULDER DIAMETER |
0.4810 INCHES MINIMUM FIRST SHOULDER AND 0.4815 INCHES MAXIMUM FIRST SHOULDER |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AATB |
WIDTH BETWEEN FLATS |
0.750 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MATT |
MATERIAL |
STEEL COMP 1030 OVERALL OR STEEL COMP 1050 OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AAJD |
THREAD CLASS |
2A |
| AASK |
HEAD STYLE |
HEXAGON |
| CQFM |
HARDNESS RATING |
23.0 ROCKWELL C MINIMUM OVERALL |
| AATX |
SHOULDER LENGTH |
0.688 INCHES NOMINAL FIRST SHOULDER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.438 INCHES |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AASU |
HEAD HEIGHT |
0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 FED STD 1ST MATERIAL RESPONSE OVERALL OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| AASA |
THREAD LENGTH |
0.537 INCHES MINIMUM |
| AASB |
FASTENER LENGTH |
1.313 INCHES MINIMUM AND 1.437 INCHES MAXIMUM |