| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM |
| CBBL |
FEATURES PROVIDED |
FINISHED HEAD |
| ANEE |
GRIP LENGTH |
0.752 INCHES MINIMUM AND 0.812 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
24.0 ROCKWELL C MINIMUM OVERALL AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| CRHC |
HOLE CONFIGURATION STYLE |
HEXAGON LONGITUDINAL HOLE |
| AAUB |
HOLE DIAMETER |
0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| ASXK |
HOLE QUANTITY |
6 |
| BQDM |
HOLE TYPE |
DRILLED |
| MATT |
MATERIAL |
IRON ALLOY 660 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
130000 POUNDS PER SQUARE INCH |
| CQHQ |
MINIMUM YIELD STRENGTH |
85000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
BOLT,MACHINE-HEXAGON HEAD,FULL SHANK,AMS5731,.250-28 UNJF-3A |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AATB |
WIDTH BETWEEN FLATS |
0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES THREADS |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.740 INCHES MINIMUM AND 0.820 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
