| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
0.704 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| CBBL |
FEATURES PROVIDED |
FINISHED HEAD |
| CQFM |
HARDNESS RATING |
26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
125000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATB |
WIDTH BETWEEN FLATS |
0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.444 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
