| MRC |
Requirement Statement |
Characteristics |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
2.568 INCHES MINIMUM FIRST HOLE AND 2.598 INCHES MAXIMUM FIRST HOLE |
| AASB |
FASTENER LENGTH |
2.668 INCHES MINIMUM AND 2.688 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
2.250 INCHES MINIMUM AND 2.266 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.120 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
DISHED HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-B-83050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE |
| FEAT |
SPECIAL FEATURES |
W/RETAINING ELEMENT ON SHANK |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AATB |
WIDTH BETWEEN FLATS |
0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES GRIP |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.282 INCHES MINIMUM AND 0.333 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
