| MRC |
Requirement Statement |
Characteristics |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
4.593 INCHES NOMINAL FIRST HOLE |
| AAVR |
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS |
0.125 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
4.812 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
30.0 ROCKWELL C MINIMUM OVERALL AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.375 INCHES NOMINAL |
| AASL |
HEAD DIAMETER |
1.875 INCHES NOMINAL |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| MATT |
MATERIAL |
STEEL COMP 8640 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 3140 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
1.000 INCHES |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM A322 ASSN STD ALL MATERIAL RESPONSES OVERALL OR ASTM A331 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| AAVQ |
RIB LENGTH |
1.125 INCHES NOMINAL |
| AAVP |
RIB MAJOR DIAMETER |
1.130 INCHES MINIMUM AND 1.135 INCHES MAXIMUM |
| AAVU |
RIB QUANTITY |
72 |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.203 INCHES MINIMUM FIRST HOLE AND 0.213 INCHES MAXIMUM FIRST HOLE |
| AATN |
SHOULDER DIAMETER |
1.122 INCHES MINIMUM FIRST SHOULDER AND 1.123 INCHES MAXIMUM FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
3.578 INCHES NOMINAL FIRST SHOULDER |
| CWYB |
SHOULDER SHAPE |
RIBBED FIRST SHOULDER |
| FEAT |
SPECIAL FEATURES |
HEAD END DRILLED PARRALLEL TO AXIS 1.125 IN. DEEP 1/12 IN.-20 UNF CL 2B THD 0.875 IN. LG |
| THSD |
THREAD SERIES DESIGNATOR |
UNS |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 1,CL 1 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 |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.125 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
14 |
