The Relay,electromagnetic, cataloged under National Stock Number 5945-01-594-6429, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Automation, Inc. Dba Rockwell Automation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 — Relays and Solenoids (FSG 59) |
| Manufacturers | Rockwell Automation, Inc. Dba Rockwell Automation (CAGE 01121) |
| Parameter | Value |
|---|---|
| NSN | 5945-01-594-6429 |
| Primary Part Number | 440R-B23020 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Rockwell Automation, Inc. Dba Rockwell Automation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 440R-B23020 PRIMARY | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| Reference | Meaning |
|---|---|
| 7A20710 REV A FIND NO 100 | C/1 Advisory reference — outside the item-of-supply concept Federal Equipment Co |
| 7A20710 | D/9 Drawing number reference only Federal Equipment Co |
NSN 5945-01-594-6429 is a Relay,electromagnetic, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-594-6429 has 1 manufacturer part number on file: 440R-B23020 (Rockwell Automation, Inc. Dba Rockwell Automation).
2 possible matches (shared part number, not a government interchangeability claim): 6110-01-648-6787, 7050-01-650-6077. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.