RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include diameter: 2.9980 INCHES MINIMUM AND 2.9985 INCHES MAXIMUM IN, material: STEEL ALLOY, head_style: DISH, oil_groove: NOT INCLUDED, skirt_type: SOLID, overall_height: 4.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System under NSN 4310-00-028-3858, 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.
| diameter | 2.9980 INCHES MINIMUM AND 2.9985 INCHES MAXIMUM IN |
| material | STEEL ALLOY |
| head_style | DISH |
| oil_groove | NOT INCLUDED |
| skirt_type | SOLID |
| overall_height | 4.625 INCHES NOMINAL IN |
| surface_finish | FINISHED |
| oil_passage_type | HOLE |
| pin_hole_bushing | NOT INCLUDED |
| pinhole_diameter | 0.8748 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN |
| ring_groove_width | 0.1870 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM AND 0.1245 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN |
| ring_groove_diameter | 2.640 INCHES MINIMUM AND 2.650 INCHES MAXIMUM AND 2.680 INCHES MINIMUM AND 2.690 INCHES MAXIMUM IN |
| NSN | 4310-00-028-3858 |
| FINISHED SIZE DESIGNATION | STANDARD |
| RING GROOVE DIAMETER | 2.640 INCHES MINIMUM AND 2.650 INCHES MAXIMUM AND 2.680 INCHES MINIMUM AND 2.690 INCHES MAXIMUM IN |
| DIAMETER | 2.9980 INCHES MINIMUM AND 2.9985 INCHES MAXIMUM IN |
| PIN HOLE BUSHING | NOT INCLUDED |
| MATERIAL | STEEL ALLOY |
| OIL GROOVE | NOT INCLUDED |
| DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP | 2.995 INCHES MINIMUM AND 3.005 INCHES MAXIMUM IN |
| DISTANCE BETWEEN PIN BOSSES | 1.688 INCHES NOMINAL IN |
| RING GROOVE WIDTH | 0.1870 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM AND 0.1245 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN |
| RETAINING RING GROOVE | NOT INCLUDED |