| MRC |
Requirement Statement |
Characteristics |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
1.230 INCHES MINIMUM AND 1.309 INCHES MAXIMUM FIRST HOLE |
| CRSQ |
COUNTERSINK ANGLE |
99.5 DEGREES MINIMUM AND 101.5 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
1.362 INCHES MINIMUM AND 1.409 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| AASL |
HEAD DIAMETER |
0.362 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| MATT |
MATERIAL |
STEEL COMP H11 OVERALL |
| 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 NOMINAL FIRST HOLE |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.290 INCHES MINIMUM AND 0.357 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
