| FASTENER LENGTH | 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| HARDNESS RATING | 80.0 ROCKWELL B MINIMUM FASTENER |
| HEAD DIAMETER | 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| HEAD HEIGHT | 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | HEXAGON |
| LOCKING FEATURE | STRIP THREADS |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER |
| MATERIAL | PLASTIC LOCKING FEATURE |
| MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 384 OR STEEL COMP XM-7 FASTENER |
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| SPECIFICATION/STANDARD DATA | 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| WIDTH ACROSS FLATS | 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| SURFACE TREATMENT | CADMIUM FASTENER |
| THREAD LENGTH | 0.220 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNRC |
| THREAD QUANTITY PER INCH | 16 |