| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.597 INCHES NOMINAL |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM FASTENER |
| HEAD DIAMETER | 0.300 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE II |
| MATERIAL ACCOMMODATED THICKNESS | 0.090 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-23195 MIL SPEC ALL MATERIAL RESPONSES STAND-OFF |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL | STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 347 OR STEEL COMP 348 STAND-OFF |
| MATERIAL | STEEL COMP 8740 FASTENER |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 0.250 INCHES NOMINAL |