| MRC |
Requirement Statement |
Characteristics |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| AASA |
THREAD LENGTH |
0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
2.302 INCHES MINIMUM AND 2.322 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| MATT |
MATERIAL |
STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
2.765 INCHES MINIMUM AND 2.812 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AASL |
HEAD DIAMETER |
0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AAUR |
GRIP DIAMETER |
0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM |
