| FLOWSERVE CORPORATION | 52374 |
| NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | 10001 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.625 INCHES NOMINAL |
| FASTENER LENGTH | 0.625 INCHES NOMINAL |
| HEAD STYLE | FLAT CHAMFER |
| HEAD DIAMETER | 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| HEAD HEIGHT | 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| LOCKING FEATURE | PATCH THREADS |
| INTERNAL DRIVE STYLE | HEXAGON |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| WIDTH ACROSS FLATS | 0.250 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 18 |
| MINIMUM TENSILE STRENGTH | 170000 POUNDS PER SQUARE INCH |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| MINIMUM YIELD STRENGTH | 150000 POUNDS PER SQUARE INCH |
| MATERIAL | STEEL OVERALL |
| SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325 TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE 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. |
