| EATON AEROSPACE LLC | 62983 |
| WATERBURY INC | 63983 |
| CALEX CORP | 62893 |
| EATON AEROSPACE LLC | 62983 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 4.375 INCHES MINIMUM |
| FASTENER LENGTH | 8.750 INCHES NOMINAL |
| HEAD STYLE | FLAT CHAMFER |
| HEAD DIAMETER | 0.875 INCHES NOMINAL |
| HEAD HEIGHT | 0.625 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | HEXAGON |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| WIDTH ACROSS FLATS | 0.500 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 11 |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATERIAL | STEEL COMP 3135 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD SERIES DESIGNATOR | UNC |
| An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE. |
