| MRC |
Requirement Statement |
Characteristics |
| AAVR |
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS |
0.349 INCHES MINIMUM AND 0.411 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
2.810 INCHES MINIMUM AND 2.841 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.310 INCHES MINIMUM AND 0.341 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
1.310 INCHES MINIMUM AND 1.370 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| MATT |
MATERIAL |
STEEL COMP 3130 OVERALL OR STEEL COMP 3140 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.750 INCHES |
| CRKB |
RIB INCLUDED ANGLE |
90.0 DEGREES NOMINAL |
| AAVQ |
RIB LENGTH |
0.560 INCHES MINIMUM AND 0.622 INCHES MAXIMUM |
| AAVP |
RIB MAJOR DIAMETER |
0.998 INCHES MINIMUM AND 1.008 INCHES MAXIMUM |
| AAVT |
RIB MINOR DIAMETER |
0.946 INCHES NOMINAL |
| AAVU |
RIB QUANTITY |
36 |
| AATN |
SHOULDER DIAMETER |
0.974 INCHES MINIMUM FIRST SHOULDER AND 0.975 INCHES MAXIMUM FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
1.160 INCHES MINIMUM FIRST SHOULDER AND 1.220 INCHES MAXIMUM FIRST SHOULDER |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 2,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL OR ZINC OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
LEFT-HAND |
| AASA |
THREAD LENGTH |
1.191 INCHES MINIMUM AND 1.221 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
16 |
