| FASTENER LENGTH | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| HEAD HEIGHT | 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM |
| HEAD STYLE | FLAT FILLISTER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-321 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | COPPER ALLOY 260 OVERALL OR COPPER ALLOY 270 OVERALL |
| PRECIOUS MATERIAL | SILVER |
| PROPRIETARY CHARACTERISTICS | PACS |
| SHANK DIAMETER | 0.055 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| SHANK STYLE | TUBULAR |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-S-365 TY 3 GR B FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | SILVER OVERALL |