The Relay,electromagnetic, cataloged under National Stock Number 5945-01-663-2881, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-663-2881 |
| Primary Part Number | 440R-N23135 |
| 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 |
|---|---|
| 447-5717 | Rs Components Limited (GBR) |
| 440R-N23135 PRIMARY | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| 40079666 | Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt) (GBR) |
| Reference | Meaning |
|---|---|
| P001RHE7005 | 5/9 Secondary reference Dps Process Solutions Limited |
NSN 5945-01-663-2881 is a Relay,electromagnetic, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-663-2881 has 3 manufacturer part numbers on file: 447-5717 (Rs Components Limited), 440R-N23135 (Rockwell Automation, Inc. Dba Rockwell Automation), 40079666 (Ministry of Defence, Future Aircraft Carrier Ipt (cvf Ipt)).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-725-3219. Verify interchangeability with system specifications before substitution.
Key specifications for 440R-N23135: Overall Height: 114.5 MILLIMETERS NOMINAL MM; Overall Length: 99.0 MILLIMETERS NOMINAL MM; Overall Width: 22.5 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: SAFETY RELAY. 0 specifications are documented in the U.S. Government catalog.
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.