The Relay,electromagnetic, cataloged under National Stock Number 5945-01-431-7666, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 — Relays and Solenoids (FSG 59) |
| Manufacturers | Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division (CAGE 0ACF4) |
| Parameter | Value |
|---|---|
| NSN | 5945-01-431-7666 |
| Primary Part Number | 3TH2022-0AN1 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division |
| 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 |
|---|---|
| 3TH2022-0AN1 PRIMARY | Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division (USA) |
| Reference | Meaning |
|---|---|
| EA2-07.07/041 3TH202 | C/1 Advisory reference — outside the item-of-supply concept Wilhelmsen Technical Solutions A/sformerly:wilhelmsen Callenberg A/sformerly: Semco Callenberg Odense a |
| 3TH20220AN1 | 5/9 Secondary reference Siemens-Schuckertwerke Ag |
| EA2-07.09/050 3TH202 | C/1 Advisory reference — outside the item-of-supply concept Wilhelmsen Technical Solutions A/sformerly:wilhelmsen Callenberg A/sformerly: Semco Callenberg Odense a |
| EA2-07.03/013 3TH202 | C/1 Advisory reference — outside the item-of-supply concept Wilhelmsen Technical Solutions A/sformerly:wilhelmsen Callenberg A/sformerly: Semco Callenberg Odense a |
| 3TH2022-0AN1 | 5/9 Secondary reference Schneider Electric Usa, Inc. |
| EA2-05/001 3TH20220A | C/1 Advisory reference — outside the item-of-supply concept Wilhelmsen Technical Solutions A/sformerly:wilhelmsen Callenberg A/sformerly: Semco Callenberg Odense a |
| EA2-07.01/001 3TH20220AN1 | 5/1 Secondary reference Wilhelmsen Technical Solutions A/sformerly:wilhelmsen Callenberg A/sformerly: Semco Callenberg Odense a |
| EA2-07.04/019 3TH202 | C/1 Advisory reference — outside the item-of-supply concept Wilhelmsen Technical Solutions A/sformerly:wilhelmsen Callenberg A/sformerly: Semco Callenberg Odense a |
| 3TH20220AN1 | 5/9 Secondary reference Siemens A/s |
| EA2-07.02/007 3TH202 | C/1 Advisory reference — outside the item-of-supply concept Wilhelmsen Technical Solutions A/sformerly:wilhelmsen Callenberg A/sformerly: Semco Callenberg Odense a |
| EA2-09 PT 3TH20220AN1 | C/1 Advisory reference — outside the item-of-supply concept Wilhelmsen Technical Solutions A/sformerly:wilhelmsen Callenberg A/sformerly: Semco Callenberg Odense a |
NSN 5945-01-431-7666 is a Relay,electromagnetic, manufactured by Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-431-7666 has 1 manufacturer part number on file: 3TH2022-0AN1 (Siemens Energy & Automation, Inc. Div Siemens Ind Services, Siemens Sales Division).
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.