The Relay Assembly, cataloged under National Stock Number 5945-00-199-4579, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cae Usa Inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-199-4579 |
| Primary Part Number | 665979 |
| Item Name | Relay Assembly |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Cae Usa Inc. |
| Status | ACTIVE |
| Individual Relay Quantity | 4 |
| Mounting Facility | BRACKET(S) |
| Relay Type | SOLENOID |
| Mounting Configuration | TWO CENTRAL HOLES |
| Furnished Items | DIODE |
| Accessory Component Quantity | 4 |
| 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 |
|---|---|
| 665979 PRIMARY | Cae Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 665979 | 5/9 Secondary reference Raytheon Technical Services Company |
NSN 5945-00-199-4579 is a Relay Assembly, manufactured by Cae Usa Inc., classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-199-4579 has 1 manufacturer part number on file: 665979 (Cae Usa Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-218-1872. Verify interchangeability with system specifications before substitution.
Key specifications for 665979: Individual Relay Quantity: 4; Mounting Facility: BRACKET(S); Relay Type: SOLENOID; Mounting Configuration: TWO CENTRAL HOLES. 6 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.