| MRC |
Requirement Statement |
Characteristics |
| AAVR |
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS |
0.062 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
1.188 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.188 INCHES NOMINAL |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL COMP 1330H OVERALL OR STEEL COMP 4130H OVERALL OR STEEL COMP 5120H OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.375 INCHES |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 FED STD ALL MATERIAL RESPONSES OVERALL |
| AAVQ |
RIB LENGTH |
0.156 INCHES NOMINAL |
| AAVP |
RIB MAJOR DIAMETER |
0.417 INCHES MINIMUM AND 0.425 INCHES MAXIMUM |
| AATN |
SHOULDER DIAMETER |
0.396 INCHES MINIMUM FIRST SHOULDER AND 0.400 INCHES MAXIMUM FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
0.219 INCHES NOMINAL FIRST SHOULDER |
| CWYB |
SHOULDER SHAPE |
RIBBED FIRST SHOULDER |
| FEAT |
SPECIAL FEATURES |
SHOULDER TAPERED 0.188 IN. LG TO NOMINAL DIA OF THREADS |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATB |
WIDTH BETWEEN FLATS |
0.562 INCHES NOMINAL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.625 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
