MRC |
Requirement Statement |
Characteristics |
AASK |
HEAD STYLE |
UNDERCUT HEXAGON |
MATT |
MATERIAL |
STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
AASB |
FASTENER LENGTH |
1.106 INCHES MINIMUM AND 1.126 INCHES MAXIMUM |
SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
AASU |
HEAD HEIGHT |
0.126 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
THSD |
THREAD SERIES DESIGNATOR |
UNJF |
CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
1.006 INCHES MINIMUM AND 1.036 INCHES MAXIMUM FIRST HOLE |
AAJD |
THREAD CLASS |
3A |
CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES GRIP |
CMLP |
THREAD QUANTITY PER INCH |
28 |
ANEE |
GRIP LENGTH |
0.688 INCHES MINIMUM AND 0.704 INCHES MAXIMUM |
FEAT |
SPECIAL FEATURES |
RETAINING RING ON SHANK |
AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
AAUR |
GRIP DIAMETER |
0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM |
AASA |
THREAD LENGTH |
0.283 INCHES MINIMUM AND 0.333 INCHES MAXIMUM |
AATB |
WIDTH BETWEEN FLATS |
0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |