| CRGF |
NONMACHINE THREAD STYLE |
DOG TYPE (TYPE B OR C) |
| CTYF |
NONMACHINE NOMINAL THREAD DIAMETER |
0.375 INCHES |
| AASU |
HEAD HEIGHT |
0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
B TYPE |
| AATC |
EXTENDED WASHER DIAMETER |
0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM GRIP AND 38.0 ROCKWELL C MAXIMUM GRIP |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CQFM |
HARDNESS RATING |
47.0 ROCKWELL C MINIMUM THREADS |
| ABQZ |
INTERNAL DRIVE STYLE |
W/O INTERNAL DRIVE |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL OR MIL-C-81562 TY 2 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL COMP 4037 OVERALL |
| AATB |
WIDTH BETWEEN FLATS |
0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
150000 POUNDS PER SQUARE INCH |
| AASB |
FASTENER LENGTH |
0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.037 INCHES MINIMUM AND 0.063 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON EXTENDED WASHER |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM BEARING SURFACE OF HEAD AND 38.0 ROCKWELL C MAXIMUM BEARING SURFACE OF HEAD |