| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
2.0 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM FASTENER |
| AASL |
HEAD DIAMETER |
0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-F-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| MATT |
MATERIAL |
STEEL UNS K03104 FASTENER |
| CQBC |
MINIMUM TENSILE STRENGTH |
180000 POUNDS PER SQUARE INCH |
| CQHQ |
MINIMUM YIELD STRENGTH |
155000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| CXCY |
III PART NAME ASSIGNED BY CONTROLLING AGENCY |
SCREW, CAP, SOCKET HEAD, SELF LOCKING |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| AAUM |
LOCKING FEATURE |
PATCH THREADS |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| ASDB |
WIDTH ACROSS FLATS |
0.250 INCHES NOMINAL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
ASTM B633 TY 2 ASSN STD SINGLE TREATMENT RESPONSE FASTENER |
| SFTT |
SURFACE TREATMENT |
ZINC AND CHROMATE FASTENER |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.389 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
