| MRC |
Requirement Statement |
Characteristics |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-L-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| AASB |
FASTENER LENGTH |
0.925 INCHES MINIMUM AND 0.972 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
180000 POUNDS PER SQUARE INCH |
| ANEE |
GRIP LENGTH |
0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| MATT |
MATERIAL |
STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 6150 OR STEEL COMP 8740 OVERALL |
| AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.290 INCHES MINIMUM AND 0.357 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AAJD |
THREAD CLASS |
3A |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| ABQZ |
INTERNAL DRIVE STYLE |
HIGH-TORQUE |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CQFM |
HARDNESS RATING |
40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP 32.0 MICROINCHES THREADS |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| CRSQ |
COUNTERSINK ANGLE |
100.0 DEGREES NOMINAL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
