| MRC |
Requirement Statement |
Characteristics |
| AASY |
DISTANCE FROM CENTERLINE TO FLAT |
0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM |
| AAVR |
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS |
0.030 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
1.270 INCHES MINIMUM AND 1.300 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.188 INCHES NOMINAL |
| AASL |
HEAD DIAMETER |
0.624 INCHES NOMINAL |
| AASK |
HEAD STYLE |
DEE |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATT |
MATERIAL |
STEEL COMP 1335 OVERALL OR STEEL COMP 1541 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| AAVQ |
RIB LENGTH |
0.260 INCHES NOMINAL |
| AAVP |
RIB MAJOR DIAMETER |
0.317 INCHES MINIMUM AND 0.321 INCHES MAXIMUM |
| AAVT |
RIB MINOR DIAMETER |
0.303 INCHES MINIMUM AND 0.307 INCHES MAXIMUM |
| AAVU |
RIB QUANTITY |
33 |
| AATN |
SHOULDER DIAMETER |
0.303 INCHES MINIMUM FIRST SHOULDER AND 0.307 INCHES MAXIMUM FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
0.320 INCHES NOMINAL FIRST SHOULDER |
| CWYB |
SHOULDER SHAPE |
RIBBED FIRST SHOULDER |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.830 INCHES MINIMUM AND 0.860 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
