| SFTT |
SURFACE TREATMENT |
CADMIUM FASTENER OR CHROMATE FASTENER |
| MATT |
MATERIAL |
STEEL COMP E4340 FASTENER OR STEEL COMP 8740 FASTENER OR STEEL COMP 4130 FASTENER OR STEEL COMP 4140 FASTENER OR STEEL COMP 6150 FASTENER |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AATB |
WIDTH BETWEEN FLATS |
0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS5643 ASSN STD 1ST MATERIAL RESPONSE STAND-OFF OR AMS5644 ASSN STD 2ND MATERIAL RESPONSE STAND-OFF OR QQ-S-763 CL440C FED SPEC 3RD MATERIAL RESPONSE STAND-OFF |
| AAJD |
THREAD CLASS |
3A |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES GRIP |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MATT |
MATERIAL |
STEEL COMP 631 STAND-OFF OR STEEL COMP 630 STAND-OFF OR STEEL COMP 440C STAND-OFF |
| AASK |
HEAD STYLE |
CROWNED HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-6758 MIL SPEC 4TH MATERIAL RESPONSE FASTENER OR MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE FASTENER OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE FASTENER OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE FASTENER OR MIL-S-8503 MIL SPEC 5TH MATERIAL RESPONSE FASTENER |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES BEARING SURFACE OF HEAD |
| SFTT |
SURFACE TREATMENT |
PASSIVATE STAND-OFF |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| ANEE |
GRIP LENGTH |
2.312 INCHES MINIMUM AND 2.328 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
95000 POUNDS PER SQUARE INCH |
| AASB |
FASTENER LENGTH |
2.958 INCHES MINIMUM AND 2.978 INCHES MAXIMUM |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.106 INCHES MINIMUM FIRST HOLE AND 0.116 INCHES MAXIMUM FIRST HOLE |
| AAUR |
GRIP DIAMETER |
0.4982 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
2.848 INCHES MINIMUM FIRST HOLE AND 2.858 INCHES MAXIMUM FIRST HOLE |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| AASU |
HEAD HEIGHT |
0.251 INCHES MINIMUM AND 0.266 INCHES MAXIMUM |
| AAUM |
LOCKING FEATURE |
RETAINER GRIP |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| AASA |
THREAD LENGTH |
0.401 INCHES MINIMUM AND 0.546 INCHES MAXIMUM |