| MRC |
Requirement Statement |
Characteristics |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
2.423 INCHES MINIMUM AND 2.473 INCHES MAXIMUM FIRST HOLE |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
2.551 INCHES MINIMUM AND 2.581 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.295 INCHES MINIMUM AND 0.362 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-6758,COND D4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL COMP 4130 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CXCY |
III PART NAME ASSIGNED BY CONTROLLING AGENCY |
NAVY SPECIAL PROJECT |
| ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
