| FEAT |
SPECIAL FEATURES |
COLOR WHITE |
| AATB |
WIDTH BETWEEN FLATS |
0.373 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| CQBC |
MINIMUM TENSILE STRENGTH |
180000 POUNDS PER SQUARE INCH |
| MATT |
MATERIAL |
STEEL COMP 8740 OVERALL OR STEEL COMP E4340 OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
| AATC |
EXTENDED WASHER DIAMETER |
0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
2.065 INCHES MINIMUM AND 2.085 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.555 INCHES MINIMUM AND 0.595 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL AND QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AASK |
HEAD STYLE |
SPLINE EXTENDED WASHER |
| AATD |
EXTENDED WASHER THICKNESS |
0.035 INCHES MINIMUM AND 0.055 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| SFTT |
SURFACE TREATMENT |
PAINT TOP OF HEAD |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
TT-E-489,NO. 17875 FED SPEC SINGLE TREATMENT RESPONSE TOP OF HEAD |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| ANEE |
GRIP LENGTH |
1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AASU |
HEAD HEIGHT |
0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |