| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL OR CHROMATE OVERALL |
| MATT |
MATERIAL |
STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AAJD |
THREAD CLASS |
3A |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AAUR |
GRIP DIAMETER |
0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| FEAT |
SPECIAL FEATURES |
NOTE: CHROMIUM PLATE ON SHANK ONLY. |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASL |
HEAD DIAMETER |
0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| AASU |
HEAD HEIGHT |
0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-0416, TYPE II,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-P-320, CLASS 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| AASA |
THREAD LENGTH |
0.345 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
1.105 INCHES MINIMUM AND 1.135 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
PAN |