| MRC |
Requirement Statement |
Characteristics |
| AATC |
EXTENDED WASHER DIAMETER |
0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.091 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
1.010 INCHES MINIMUM AND 1.030 INCHES MAXIMUM |
| CBBL |
FEATURES PROVIDED |
UNFINISHED HEAD |
| CQFM |
HARDNESS RATING |
39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.388 INCHES NOMINAL |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON W/HOLE |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-8503 MIL SPEC 4TH MATERIAL RESPONS |
| MATT |
MATERIAL |
STEEL COMP E4340 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 6150 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
180000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.375 INCHES |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AATB |
WIDTH BETWEEN FLATS |
0.430 INCHES MINIMUM AND 0.439 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 |
0.542 INCHES MINIMUM AND 0.665 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
