| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY2,CL2 FED SPEC 2ND TREATMENT RESPONSE OVERALL AND MIL-C-26074,CL1 MIL SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-P-416,TY2,CL2 FED SPEC 3RD TREATMENT RESPONSE OVERALL |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
4.904 INCHES MINIMUM FIRST HOLE AND 4.914 INCHES MAXIMUM FIRST HOLE |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
4.904 INCHES MINIMUM SECOND HOLE AND 4.914 INCHES MAXIMUM SECOND HOLE |
| MATT |
MATERIAL |
STEEL COMP 8640 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 4135 OVERALL |
| FEAT |
SPECIAL FEATURES |
2 KEYWAYS LOCATED ON SHOULDER,180 DEG. APART ON CENTERLINE; THREADED HOLE IN CENTER OF HEAD,0.500-20UNF-2B,1.000 IN. DEEP MIN. |
| AATN |
SHOULDER DIAMETER |
1.495 INCHES MINIMUM FIRST SHOULDER AND 1.497 INCHES MAXIMUM FIRST SHOULDER |
| AASL |
HEAD DIAMETER |
2.120 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.312 INCHES MINIMUM AND 0.317 INCHES MAXIMUM |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.203 INCHES NOMINAL FIRST HOLE |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM A322 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR ASTM A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR ASTM A331 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.203 INCHES NOMINAL SECOND HOLE |
| AASB |
FASTENER LENGTH |
5.161 INCHES MINIMUM AND 5.164 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.760 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AATX |
SHOULDER LENGTH |
4.241 INCHES MINIMUM FIRST SHOULDER AND 4.244 INCHES MAXIMUM FIRST SHOULDER |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND NICKEL OVERALL OR CHROMATE OVERALL |
| CQFM |
HARDNESS RATING |
34.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| AHYM |
NOMINAL THREAD DIAMETER |
0.750 INCHES |
| AASK |
HEAD STYLE |
ROUND W/WRENCH FLATS |
| CMLP |
THREAD QUANTITY PER INCH |
10 |
| AATB |
WIDTH BETWEEN FLATS |
1.844 INCHES MINIMUM AND 1.854 INCHES MAXIMUM |