| MRO Supply | 1373923 | 1 | | 1 | |
| Onlinecomponents.com | S-8301-4-R | 1 | 94 | 1 | 1 @ $11.75, 2 @ $11.16, 26 @ $10.61, 101 @ $10.08, 201 @ $7.80, 1001 @ $7.05, 5001 @ $6.63 |
 Onlinecomponents.com | BK/S-8301-4-R | 1 | 64 | 1 | 1 @ $12.37, 25 @ $11.75, 100 @ $11.16, 200 @ $10.61, 500 @ $10.08, 1000 @ $7.80, 5000 @ $7.05, 10000 @ $6.63 |
| Radwell | S-8301-4-R | 10 | | 10 | 1 @ $7.17 |
 Digi-Key | 283-3900-ND | 1 | 66 | 1 | |
| 1Source | BK/S-8301-4-R | 1 | | 1 | |
 Platt.com | 0959198 | 1 | | 1 | 1 @ $36.33 |
 Platt.com | 0967034 | 1 | | 1 | 1 @ $27.71 |
| FinditParts | 9922395 | 1 | | 1 | |
 AI Consolidated | S-8301-4-R-BUSSMANN | 1 | -2 | 1 | 1 @ $13.94 |
| Digi-Key | S-8301-4-R-ND | 10 | | 10 | 10 @ $21.76 |
 Walker Industrial | S-8301-4-R | 10 | 3 to 5 Days | 10 | 1 @ $20.12 |
| Allied Electronics | 71930999 | 200 | | 200 | |
| iodParts | S-8301-4-R | 1 | | 1 | |
| Newark | 77K0826 | 10 | | 10 | 10 @ $32.47, 25 @ $29.09, 50 @ $27.23, 100 @ $25.71, 250 @ $24.35 |
 Newark | 72K6301 | 200 | | 200 | 100 @ $21.91, 250 @ $20.75 |
 Digi-Key | 2174030 | 1 | | 1 | 1 @ $34.15, 5 @ $32.52, 10 @ $30.08, 50 @ $26.02, 100 @ $24.39, 250 @ $22.77 |
| Dale-Electric | S-8301-4-R | 1 | | 1 | 1 @ $18.66 |
| Newark | 31P0360 | 1 | | 1 | 1 @ $31.30, 5 @ $29.80, 10 @ $27.56, 25 @ $26.81, 50 @ $23.84 |
 turtle.com | BUS BK/S-8301-4-R | 1 | -2 | 1 | 1 @ $20.13 |
 Galco | S-8301-4-R-BUSS | 10 | | 10 | 1 @ $23.33 |
 Galco | BK/S-8301-4-R-BUSS | 200 | | 200 | 1 @ $19.88 |
| us.rs-online.com | 74089600 | 10 | | 10 | 10 @ $23.51 |
| us.rs-online.com | 71930999 | 200 | | 200 | 200 @ $25.33, 400 @ $24.57 |
 cbtcompany.com | BK/S-8301-4-R | 1 | | 1 | |