| MRC |
Requirement Statement |
Characteristics |
| AASA |
THREAD LENGTH |
0.402 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| AASU |
HEAD HEIGHT |
0.126 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| CBBL |
FEATURES PROVIDED |
FINISHED HEAD |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AASB |
FASTENER LENGTH |
2.606 INCHES MINIMUM AND 2.626 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| MATT |
MATERIAL |
STEEL COMP E4340 OR STEEL COMP 8740 OR STEEL COMP 4130 OR STEEL COMP 6150 OR STEEL COMP 4140 OVERALL |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| ANEE |
GRIP LENGTH |
2.188 INCHES MINIMUM AND 2.204 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AASK |
HEAD STYLE |
DISHED HEXAGON |
| CQBC |
MINIMUM TENSILE STRENGTH |
95000 POUNDS PER SQUARE INCH |
| AAUM |
LOCKING FEATURE |
DETENT RING GRIP |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AAUR |
GRIP DIAMETER |
0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES BEARING SURFACE OF HEAD 63.0 MICROINCHES GRIP |
| AATB |
WIDTH BETWEEN FLATS |
0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
