| MRC |
Requirement Statement |
Characteristics |
| AATC |
EXTENDED WASHER DIAMETER |
0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
3.220 INCHES MINIMUM AND 3.250 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON W/HOLE |
| CRHC |
HOLE CONFIGURATION STYLE |
DOUBLE HEXAGON LONGITUDINAL HOLE |
| AAUB |
HOLE DIAMETER |
0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM |
| ASXK |
HOLE QUANTITY |
4 |
| BQDM |
HOLE TYPE |
DRILLED |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
180000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS6322 ASSN STD 1ST MATERIAL RESPONSE OVERALL AND AMS6415 ASSN STD 2ND MATERIAL RESPONSE OVERALL AND AMS6484 ASSN STD 3RD MATERIAL RESPONSE OVERALL AND MIL-S-6049 FED SPEC 4TH MATERIAL RESPONSE OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AATB |
WIDTH BETWEEN FLATS |
0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
NAS672 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.485 INCHES NOMINAL |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
