| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AASA |
THREAD LENGTH |
0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| AASU |
HEAD HEIGHT |
0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASB |
FASTENER LENGTH |
1.113 INCHES MINIMUM AND 1.143 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-N-290 TY 1 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ANEE |
GRIP LENGTH |
0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
DISHED HEXAGON |
| AATB |
WIDTH BETWEEN FLATS |
0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
0.987 INCHES MINIMUM FIRST HOLE AND 1.037 INCHES MAXIMUM FIRST HOLE |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
NICKEL OVERALL |