| MRC |
Requirement Statement |
Characteristics |
| AAVR |
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS |
0.090 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
1.740 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
78.0 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL AND 84.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.250 INCHES NOMINAL |
| AASL |
HEAD DIAMETER |
0.800 INCHES NOMINAL |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-W-405 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR ASTM A322 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR QQ-W-405 FED SPEC 2ND MATERIAL RESPONSE OVERALL OR ASTM A322 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR QQ-W-405 FED SPEC 3RD MATERIAL RESPONSE OVERALL O |
| MATT |
MATERIAL |
STEEL COMP 1335 OVERALL OR STEEL COMP 1340 OVERALL OR STEEL COMP 4037 OVERALL OR STEEL COMP 4135 OVERALL OR STEEL COMP 8637 OVERALL OR STEEL COMP 8640 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| AAVQ |
RIB LENGTH |
0.120 INCHES NOMINAL |
| AAVP |
RIB MAJOR DIAMETER |
0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM |
| AAVT |
RIB MINOR DIAMETER |
0.535 INCHES MINIMUM AND 0.540 INCHES MAXIMUM |
| AAVU |
RIB QUANTITY |
35 |
| AATN |
SHOULDER DIAMETER |
0.535 INCHES MINIMUM FIRST SHOULDER AND 0.540 INCHES MAXIMUM FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
0.690 INCHES MINIMUM FIRST SHOULDER AND 0.700 INCHES MAXIMUM FIRST SHOULDER |
| CWYB |
SHOULDER SHAPE |
RIBBED 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 AND QQ-P-416,TY 2,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 2,CL 2 FED SPEC 3RD TREATMENT RESPONSE OVERALL AND QQ-Z-325,TY 2,CL 2 FED SPEC 4TH TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL OR ZINC OVERALL AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.930 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
