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last_updated: "2026-10-22T13:50:41.837-05:00"
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# Excalibur Systems ESI-350 MIL-1553 Three Stub Box Coupler

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Excalibur Systems
- Model: ESI-350
- Condition: Used and in Excellent Condition
- Price: Quote only
- Availability: In stock
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 5 lb, estimated
- Shipping dimensions: 12X9X6 in, estimated

## Categories

- Test Equipment > Electrical Test > Couplers (primary)

## Images

- <https://www.artisantg.com/itemimages/excalibur_systems_esi_350_view1_20256313129.jpg>
- <https://www.artisantg.com/itemimages/excalibur_systems_esi_350_view2_20256313129.jpg>
- <https://www.artisantg.com/itemimages/excalibur_systems_esi_350_view3_20256313129.jpg>
- <https://www.artisantg.com/itemimages/excalibur_systems_esi_350_view4_20256313129.jpg>