MRC |
Requirement Statement |
Characteristics |
AASB |
FASTENER LENGTH |
3.703 INCHES MINIMUM AND 3.750 INCHES MAXIMUM |
CBBL |
FEATURES PROVIDED |
FINISHED HEAD |
CQFM |
HARDNESS RATING |
26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
AASU |
HEAD HEIGHT |
0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM |
AASK |
HEAD STYLE |
HEXAGON |
MATT |
MATERIAL |
STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL |
CQBC |
MINIMUM TENSILE STRENGTH |
125000 POUNDS PER SQUARE INCH |
AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
CXCY |
III PART NAME ASSIGNED BY CONTROLLING AGENCY |
NAVY SPECIAL PROJECT |
THSD |
THREAD SERIES DESIGNATOR |
UNF |
AATB |
WIDTH BETWEEN FLATS |
0.490 INCHES MINIMUM AND 0.502 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 AND CHROMATE OVERALL |
AAJD |
THREAD CLASS |
3A |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AASA |
THREAD LENGTH |
0.499 INCHES MINIMUM AND 0.578 INCHES MAXIMUM |
CMLP |
THREAD QUANTITY PER INCH |
24 |