| AASA |
THREAD LENGTH |
0.833 INCHES MINIMUM AND 1.132 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AAJD |
THREAD CLASS |
3A |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES GRIP |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.141 INCHES MINIMUM FIRST HOLE AND 0.151 INCHES MAXIMUM FIRST HOLE |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
3.950 INCHES MINIMUM FIRST HOLE AND 3.980 INCHES MAXIMUM FIRST HOLE |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASU |
HEAD HEIGHT |
0.501 INCHES MINIMUM AND 0.516 INCHES MAXIMUM |
| 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 |
| ANEE |
GRIP LENGTH |
2.875 INCHES MINIMUM AND 2.891 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 8740 OVERALL OR STEEL COMP 4130 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 6150 OVERALL |
| AASK |
HEAD STYLE |
DISHED HEXAGON |
| AATB |
WIDTH BETWEEN FLATS |
1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
12 |
| AASB |
FASTENER LENGTH |
4.107 INCHES MINIMUM AND 4.127 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| FEAT |
SPECIAL FEATURES |
RETAINING ELEMENT ON SHANK |
| AHYM |
NOMINAL THREAD DIAMETER |
1.000 INCHES |
| AAUR |
GRIP DIAMETER |
0.9982 INCHES MINIMUM AND 0.9991 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-6758 MIL SPEC 4TH MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-8503 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |