| MATT |
MATERIAL |
COPPER ALLOY 260 OVERALL OR COPPER ALLOY 268 OVERALL OR COPPER ALLOY 270 OVERALL |
| AASL |
HEAD DIAMETER |
0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
1 TYPE AND 2S STYLE |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| AASB |
FASTENER LENGTH |
0.500 INCHES NOMINAL |
| SFTT |
SURFACE TREATMENT |
CHROMIUM OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
50000 POUNDS PER SQUARE INCH |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-B-626 1/4 HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL OR QQ-B-613 1/4 HARD FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-B-626 1/4 HARD FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-W-321 1/4 HARD FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-B-613 1/4 HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL OR QQ-W-321 1/4 HARD FED SPEC 3RD MATERIAL RESPONSE OVERALL |
| ZZZW |
DEPARTURE FROM CITED DOCUMENT |
AS MODIFIED BY SURFACE TREATMENT |
| CTYF |
NONMACHINE NOMINAL THREAD DIAMETER |
0.112 INCHES |
| CRSQ |
COUNTERSINK ANGLE |
81.0 DEGREES NOMINAL |
| CRGF |
NONMACHINE THREAD STYLE |
GIMLET POINT (TYPE A, AB OR BA) |