| MRC |
Requirement Statement |
Characteristics |
| AATC |
EXTENDED WASHER DIAMETER |
0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.166 INCHES MINIMUM AND 0.186 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.338 INCHES MINIMUM AND 0.358 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON EXTENDED WASHER |
| MATT |
MATERIAL |
STEEL CORROSION RESISTING OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.3125 INCHES |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS5731 ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| FEAT |
SPECIAL FEATURES |
130 KSI MINMUM 6.58 APPROXIMATE MASS POUND PER 100 |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AATB |
WIDTH BETWEEN FLATS |
0.3750 INCHES NOMINAL |
| CSYM |
SURFACE FINISH |
125.0 MICROINCHES OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.925 INCHES MINIMUM AND 1.885 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
