| Hotenda | H575192 | 1.2656 | 1 | 100 | | Eaton (formerly Cooper Bussmann) | | 1.2656 @ 100 |
  | swatee.com | BK/S506-8-R | 2.14 | 1 | 100 | | Eaton | | 2.14 @ 100 |
  | Newark | 01P4134 | 2.32 | 10 | 100 | | EATON BUSSMANN | | 2.32 @ 100 |
| Arrow | BK/S506-8-R | 2.842 | 1 | 1000 | | Eaton | | 2.842 @ 100 |
| iodParts | S506-8-R | 2.85 | 100 | 805 | | Eaton | | 2.85 @ 100 |
  | Walker Industrial | S506-8-R | 2.92 | 5 | 100 | 17 | Cooper Bussmann | | 2.92 @ 100 |
  | AI Consolidated | S506-8-R-BUSSMANN | 3.19 | 1 | 100 | | Bussmann Eaton Cooper Fuses | 0.0251 | 3.19 @ 100 |
| Dale-Electric | S506-8-R | 3.2 | 1 | 100 | | Cooper Bussmann | | 3.2 @ 100 |
| Onlinecomponents.com | S506-8-R | 3.31 | 10 | 1117 | | Cooper Bussmann | | 3.31 @ 100 |
| Waldom | Eaton Electronics S506-8-R | 3.54 | 15 | 237 | | Eaton Electronics | | 3.54 @ 100 |
| Mouser | 504-S506-8-R | 4.31 | 1 | 100 | | Cooper Bussmann | | 4.31 @ 100 |
  | NEP Electronics | S506-8-R | 4.52 | 1 | 354 | | Bussmann | | 4.52 @ 100 |
  | Galco | S506-8-R-BUSS | 4.84 | 5 | 100 | | Bussmann | 0.1 | 4.84 @ 100 |
| us.rs-online.com | 74057195 | 4.88 | 5 | 100 | | Eaton Electronics | | 4.88 @ 100 |
  | Digi-Key | 1878118 | 5.02 | 5 | 237 | | Eaton - Electronics Division | | 5.02 @ 100 |
| crescentelectric.com | 36745 | 6.73 | 1 | 100 | | Eaton Bussmann series | | 6.73 @ 100 |
| Radwell | BKS5068R | 6.95 | 100 | 100 | | BUSSMANN | | 6.95 @ 100 |
  | Platt.com | 0966806 | 6.99 | 1 | 100 | | Eaton/Bussmann Series | | 6.99 @ 100 |
| Graybar | 25142387 | 7.0672 | 5 | 100 | | Bussmann (Eaton) | | 7.0672 @ 100 |
| Airline Hydraulics | BUSSMANN BK/S506-8-R | 8.84 | 1 | 6900 | | Cooper Bussmann | | 8.84 @ 100 |
  | Zoro | G2273345 | 18.95 | 1 | 194 | | Bussmann | 0.02 | 18.95 @ 100 |
  | sustainablesupply.com | C1177000 | 32.12 | 1 | 100 | | Eaton | 0.02 | 32.12 @ 100 |
| AmazonTP | B07S15VGPY | 48.96 | 1 | 100 | 1 | Bussmann / Eaton | | 48.96 @ 100 |
  | AmazonSC | B011NMCZC4 | 51.4 | 1 | 100 | | Eaton Bussmann | | 51.4 @ 100 |
  | Raptor Supplies | AB8WUP | 55.979235 | 1 | 100 | | BUSSMANN | | 55.979235 @ 100 |
  | turtle.com | BUS BK/S506-8-R | 482.56 | 1 | 100 | | Eaton | | 482.56 @ 100 |