| MATT |
MATERIAL |
STEEL COMP 8740 FASTENER |
| AASL |
HEAD DIAMETER |
0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
180000 POUNDS PER SQUARE INCH |
| AAUM |
LOCKING FEATURE |
DETENT BALL THREADS |
| AASA |
THREAD LENGTH |
0.412 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CQFM |
HARDNESS RATING |
50.0 ROCKWELL C MINIMUM LOCKING FEATURE AND 58.0 ROCKWELL C MAXIMUM LOCKING FEATURE |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
1.198 INCHES MINIMUM FIRST HOLE AND 1.218 INCHES MAXIMUM FIRST HOLE |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE LOCKING FEATURE |
| SFTT |
SURFACE TREATMENT |
PASSIVATE LOCKING FEATURE |
| AAJD |
THREAD CLASS |
3A |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES GRIP |
| SFTT |
SURFACE TREATMENT |
CADMIUM FASTENER AND CHROMATE FASTENER |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| SFTT |
SURFACE TREATMENT |
PASSIVATE SPRING |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| MATT |
MATERIAL |
STEEL COMP 440C LOCKING FEATURE |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
1.303 INCHES NOMINAL |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES BEARING SURFACE OF HEAD |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| FEAT |
SPECIAL FEATURES |
SPINDLE PASSIVATE PER QQ-P-35; 180000 PSI; MATERIAL CRES AMS 5643 17-4PH OR ALLOY STEEL PER MIL-S-6049 |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5644 ASSN STD SINGLE MATERIAL RESPONSE SPRING OR ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| MATT |
MATERIAL |
STEEL COMP 631 SPRING |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE FASTENER |
| CQFM |
HARDNESS RATING |
39.0 ROCKWELL C MINIMUM FASTENER AND 45.0 ROCKWELL C MAXIMUM FASTENER |
| ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE |