| Waldom | TE CONNECTIVITY 42RO-500S-SIL | 1 | | 1 | |
| Digi-Key | 6062044 | 2 | | 2 | 2 @ $2493.51 |
 Allied Electronics | E5186616 | 3 | | 3 | 3 @ $2217.30 |
| Onlinecomponents.com | 42RO-500S-SIL | 1 | 18 | 1 | 1 @ $1772.66, 3 @ $1684.03, 5 @ $1549.30, 10 @ $1431.42, 25 @ $1263.03, 50 @ $1178.82, 100 @ $1141.75 |
| Onlinecomponents.com | 6-1617345-3 | 1 | 20 | 1 | 1 @ $2168.88, 2 @ $2126.35, 4 @ $2083.82 |
| Verical | 42RO-500S-SIL | 1 | 18 | | 1 @ $2976.08, 2 @ $2937.93, 3 @ $2843.86, 5 @ $2739.81, 10 @ $2643.11 |
| Onlinecomponents.com | 42RO500SSIL | 1 | 20 | | 1 @ $2168.88, 3 @ $2126.35, 5 @ $2083.82 |
| Master Electronics | 42RO500SSIL | | 17 | | 1 @ $2168.88, 3 @ $2126.35, 5 @ $2083.82 |
| Sager Electronics | 42RO-500S-SIL | 3 | | | 3 @ $1808.28, 4 @ $1761.31, 8 @ $1559.65 |
| PEI Genesis | 42RO-500S-SIL | | | | |
| Electro Sonic | 42RO500SSIL | 1 | 20 | | 1 @ $2299.01, 3 @ $2253.93, 5 @ $2208.85 |
| Relay Specialties | 42RO-500S-SIL | | 9 | | 1 @ $1.00 |