| FASTENER LENGTH | 4.360 INCHES MINIMUM AND 4.500 INCHES MAXIMUM |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 1.479 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| HEAD HEIGHT | 0.988 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | HEXAGON |
| LOCKING FEATURE | PELLET THREADS |
| MATERIAL | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| MATERIAL | STEEL FASTENER |
| MINIMUM YIELD STRENGTH | 150000 POUNDS PER SQUARE INCH |
| MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 1.000 INCHES |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| WIDTH ACROSS FLATS | 0.750 INCHES MINIMUM AND 0.757 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER |
| SURFACE TREATMENT | OXIDE FASTENER |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 12 |
| THREAD SERIES DESIGNATOR | UNRF |