The Relay,electromagnetic, cataloged under National Stock Number 5945-01-611-9665, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Maritime Applied Physics Corporation Dba Blacksea Technologies. The record lists 2 manufacturer part numbers 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.
| Parameter | Value |
|---|---|
| NSN | 5945-01-611-9665 |
| Primary Part Number | 421-0-25 REV A ITEM NO 6 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Maritime Applied Physics Corporation Dba Blacksea Technologies |
| 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 |
|---|---|
| 410-0-028 | Maritime Applied Physics Corporation Dba Blacksea Technologies (USA) |
| 421-0-25 REV A ITEM NO 6 PRIMARY | Maritime Applied Physics Corporation Dba Blacksea Technologies (USA) |
NSN 5945-01-611-9665 is a Relay,electromagnetic, manufactured by Maritime Applied Physics Corporation Dba Blacksea Technologies, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-611-9665 has 2 manufacturer part numbers on file: 410-0-028 (Maritime Applied Physics Corporation Dba Blacksea Technologies), 421-0-25 REV A ITEM NO 6 (Maritime Applied Physics Corporation Dba Blacksea Technologies).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-696-6348. Verify interchangeability with system specifications before substitution.
Key specifications for 421-0-25 REV A ITEM NO 6: Part Name Assigned by Controlling Agency: TERMINAL BLOCK, HYDRAULIC ISOLATION. 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.