| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
2.222 INCHES MINIMUM AND 2.252 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
DISHED HEXAGON |
| MATT |
MATERIAL |
IRON ALLOY 660 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AATN |
SHOULDER DIAMETER |
0.264 INCHES MINIMUM FIRST SHOULDER AND 0.265 INCHES MAXIMUM FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
1.802 INCHES MINIMUM FIRST SHOULDER AND 1.822 INCHES MAXIMUM FIRST SHOULDER |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
BOLT TENSION HEX HEAD CLOSE TOLERANCE A286 CRES LONG THREAD REDUCED MAJOR THREAD DIA SELF LOCKING AND NON LOCKING 160 KSI FTU |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AATB |
WIDTH BETWEEN FLATS |
0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
PASSIVATE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.425 INCHES NOMINAL |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
