| THREAD CLASS | 2A |
| FASTENER LENGTH | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| HEAD STYLE | ROUND |
| HEAD DIAMETER | 0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM |
| HEAD HEIGHT | 0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | SLOT |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| SCREW MATERIAL | PLASTIC POLYAMIDE (NYLON) |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693,TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE |
| SPECIAL FEATURES | SERRATED STEEL CORE THRU LONGITUDINAL AXIS |