| CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| COLOR | BLACK OVERALL |
| EXTERNAL THREAD TOLERANCE CLASS | 21 |
| FASTENER LENGTH | 0.345 INCHES MINIMUM AND 0.405 INCHES MAXIMUM |
| HEAD DIAMETER | 0.282 INCHES MINIMUM AND 0.294 INCHES MAXIMUM |
| HEAD HEIGHT | 0.092 INCHES MINIMUM AND 0.097 INCHES MAXIMUM |
| HEAD STYLE | PAN NO. 2 |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE III |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A266 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-S-763, STAINLESS STEEL STEEL 302, 304, 305 OR 16-13 CHROME-NICKEL FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, MACHINE, PAN HEAD, SELF-SEALING |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR NICKEL ALLOY OVERALL |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| SPECIAL FEATURES | O-RING MATERIAL BUNA N AND ARE LOCATED ON THE UNDERNEATH SIDE OF THE HEAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924, CLASS II, BLACK OXIDE, MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.345 INCHES MINIMUM AND 0.405 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |