| MRC |
Requirement Statement |
Characteristics |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
2.328 INCHES MINIMUM AND 2.358 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
1.802 INCHES MINIMUM AND 1.822 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AASL |
HEAD DIAMETER |
0.578 INCHES MINIMUM AND 0.633 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| MATT |
MATERIAL |
STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 6150 OR STEEL COMP 8735 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| CXCY |
III PART NAME ASSIGNED BY CONTROLLING AGENCY |
NAVY SPECIAL PROJECT |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE AND MAC PRIMER 13421 FSCM 76301 MFR REF 2ND TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE AND PAINT OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.506 INCHES MINIMUM AND 0.556 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
