The Relay,electromagnetic, cataloged under National Stock Number 5945-01-471-1607, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Link Microtek Limited. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-471-1607 |
| Primary Part Number | SEM123DN |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Link Microtek Limited |
| 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 |
|---|---|
| SEM123DN | Link Microtek Limited (GBR) |
| Reference | Meaning |
|---|---|
| SEM123DN | 3/2 Design control — primary reference U.S. Government activity |
NSN 5945-01-471-1607 is a Relay,electromagnetic, manufactured by Link Microtek Limited, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-471-1607 has 1 manufacturer part number on file: SEM123DN (Link Microtek Limited).
Key specifications for SEM123DN: Overall Height: 2.210 INCHES MINIMUM AND 2.270 INCHES MAXIMUM IN; Overall Length: 2.750 INCHES NOMINAL IN; Overall Width: 0.900 INCHES NOMINAL IN; Special Features: SP2T(TYPE N); FAILSAFE; INDICATORCKT; SELECTED POSITION OF SWITCH IS CONTROLLED BY TTL LOGIC; SWITCH REQUIRES ONLY NOMINAL PLUS 28VDC FOR COILS; VOLTAGE LEVEL,LOW -0 TO 0.8 VDC; HIGH,-2-4 TO 5.5 VDC; INPUT CURRENT,LOW -0MA,HIGH, -1.35MA MAX @3.85VDC VDC. 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.