The Relay, cataloged under National Stock Number 5945-01-278-4828, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Kato Engineering Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Relay |
| FSC / FSG | 5945 — Relays and Solenoids (FSG 59) |
| Manufacturers | Kato Engineering Inc. (CAGE 32770) |
| Parameter | Value |
|---|---|
| NSN | 5945-01-278-4828 |
| Primary Part Number | 505-41521-40 |
| Item Name | Relay |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Kato Engineering Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 505-41521-40 PRIMARY | Kato Engineering Inc. (USA) |
NSN 5945-01-278-4828 is a Relay, manufactured by Kato Engineering Inc., classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-278-4828 has 1 manufacturer part number on file: 505-41521-40 (Kato Engineering Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-416-0327. 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.