| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 TY1 OR TY2 OR TY3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AATB |
WIDTH BETWEEN FLATS |
0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.368 INCHES MINIMUM AND 0.393 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 630 OVERALL |
| AAJD |
THREAD CLASS |
3A |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AASL |
HEAD DIAMETER |
0.500 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.093 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AASK |
HEAD STYLE |
ROUND W/WRENCH FLATS |
| AATX |
SHOULDER LENGTH |
0.849 INCHES MINIMUM FIRST SHOULDER AND 0.854 INCHES MAXIMUM FIRST SHOULDER |
| AATN |
SHOULDER DIAMETER |
0.3105 INCHES MINIMUM FIRST SHOULDER AND 0.3110 INCHES MAXIMUM FIRST SHOULDER |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| AASB |
FASTENER LENGTH |
1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |