| FASTENER LENGTH | 1.059 INCHES NOMINAL |
| HEAD HEIGHT | 0.625 INCHES NOMINAL |
| HEAD STYLE | THUMB NO. 6 |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL | STEEL COMP 302B OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 304 OR STEEL COMP 304L TOP OF HEAD |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 4140 FASTENER |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| POINT STYLE | POINTLESS |
| SHOULDER DIAMETER | 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.150 INCHES MINIMUM AND 0.290 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SPECIAL FEATURES | 0.112 DIA HOLE FOR PLUG AT THREADED END,0.035 IN. TO 0.045 IN. WIDE BY 0.024 IN. TO 0.034 IN. DEEP SPLINE 3 PLACES,SPACED 120 DEGREES APART |
| WIDTH BETWEEN FLATS | 0.076 INCHES MINIMUM AND 0.079 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE TOP OF HEAD |
| SURFACE TREATMENT | CADMIUM AND CHROMATE FASTENER |
| SURFACE TREATMENT | PASSIVATE TOP OF HEAD |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD LENGTH | 0.487 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 28 |