The FITTING,LUBRICATION is a the manufacturer industrial component. Key specifications include head_diameter: 0.4375 INCHES NOMINAL IN, special_features: NHA-DRUM ASSEMBLY, ADDITIONAL DESCRIPTION PARKER0503-4-4/EQ, 7/16-20, end_item_identification: HERCULES 50K WINCH, part_name_assigned_by_controlling_agency: FITTING. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-808-3021, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| head_diameter | 0.4375 INCHES NOMINAL IN |
| special_features | NHA-DRUM ASSEMBLY, ADDITIONAL DESCRIPTION PARKER0503-4-4/EQ, 7/16-20 |
| end_item_identification | HERCULES 50K WINCH |
| part_name_assigned_by_controlling_agency | FITTING |
| NSN | 5310-00-808-3021 |
| NUT DIAMETER | 1.610 INCHES MINIMUM AND 1.630 INCHES MAXIMUM IN |
| DRIVE POINT DEPTH | 0.065 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| NOMINAL THREAD SIZE | 1.000 INCHES IN |
| COUNTERSINK ANGLE | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT |
| THREAD QUANTITY PER INCH | 12 |
| THREAD SERIES | UNF |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |