The Relay,hybrid, cataloged under National Stock Number 5945-01-197-2891, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Leonardo Uk Ltd. Government technical data includes 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5945-01-197-2891 |
| Primary Part Number | 25485-41121 |
| Item Name | Relay,hybrid |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Leonardo Uk Ltd |
| Status | ACTIVE |
| Contact Arrangement | SINGLE POLE, DOUBLE THROW |
| Criticality Code Justification | FEAT |
| Features Provided | TRANSISTOR DRIVEN |
| Specification/standard Data | 81349-MIL-R-28776/5 GOVERNMENT SPECIFICATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 25485-41121 | Leonardo Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| MIL-PRF-28776/5 | 4/1 Identification reference U.S. Government activity |
| M28776/5-013L | 2/2 Government specification standardization U.S. Government activity |
| 25485-41121 | 5/9 Secondary reference Leonardo Mw Ltd |
| MIL-R-28776/5 | 5/9 Secondary reference U.S. Government activity |
NSN 5945-01-197-2891 is a Relay,hybrid, manufactured by Leonardo Uk Ltd, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-197-2891 has 1 manufacturer part number on file: 25485-41121 (Leonardo Uk Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5945-01-254-6629, 5945-01-290-0245. Verify interchangeability with system specifications before substitution.
Key specifications for 25485-41121: Contact Arrangement: SINGLE POLE, DOUBLE THROW; Criticality Code Justification: FEAT; Features Provided: TRANSISTOR DRIVEN; Specification/standard Data: 81349-MIL-R-28776/5 GOVERNMENT SPECIFICATION. 4 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.