RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include nut_style: ROUND, base_style: THREE CONTACT LUGS, bulb_style: PAR (PARABOLIC, ALUMINIZED REFLECTOR), nut_diameter: 2.511 INCHES MINIMUM AND 2.541 INCHES MAXIMUM IN, nut_thickness: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, thread_series: UNS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-185-6461, 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.
| nut_style | ROUND |
| base_style | THREE CONTACT LUGS |
| bulb_style | PAR (PARABOLIC, ALUMINIZED REFLECTOR) |
| nut_diameter | 2.511 INCHES MINIMUM AND 2.541 INCHES MAXIMUM IN |
| nut_thickness | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| thread_series | UNS |
| overall_length | 5.250 INCHES MAXIMUM IN |
| voltage_rating | 12.800 VOLTS NOMINAL |
| wattage_rating | 60.000 WATTS |
| bulb_designator | PAR-56 |
| hardness_rating | 66.0 ROCKWELL B MINIMUM AND 92.0 ROCKWELL B MAXIMUM |
| special_features | SWITCH AS |
| NSN | 5310-00-185-6461 |
| THREAD PITCH DIAMETERS | +1.7309 TO 1.7354 INCHES IN |
| THREAD SERIES | UNS |
| NOMINAL THREAD SIZE | 1.767 INCHES IN |
| HARDNESS RATING | 66.0 ROCKWELL B MINIMUM AND 92.0 ROCKWELL B MAXIMUM |
| THREAD QUANTITY PER INCH | 18 |
| MATERIAL | STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP 1524 OR STEEL COMP 1026 OR STEEL COMP 1527 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OVERALL |
| NUT THICKNESS | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| THREAD DIRECTION | RIGHT-HAND |
| DRIVE POINT WIDTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| DRIVE POINT DEPTH | 0.094 INCHES NOMINAL IN |