The Relay,hybrid, cataloged under National Stock Number 5945-01-212-4206, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Te Connectivity Corporation. 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 | 5945-01-212-4206 |
| Primary Part Number | 21-478 |
| Item Name | Relay,hybrid |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| 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 |
NSN 5945-01-212-4206 is a Relay,hybrid, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-212-4206 has 2 manufacturer part numbers on file: 21-478 (Te Connectivity Corporation), 1150-10SX (Te Connectivity Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5895-01-444-1167. Verify interchangeability with system specifications before substitution.
Key specifications for 21-478: Overall Height: 3.719 INCHES MAXIMUM IN; Overall Length: 4.906 INCHES MAXIMUM IN; Overall Width: 4.656 INCHES MAXIMUM IN; Special Features: SPSTNO AND SPSTNC; 5 AMPS RESISTIVE AT 120 VAC AND 28 VDC; LINE CURRENT: 0 TO 5 AMP,3 PHASE,60 HZ,DIRECT OR FROM C. T.; 120 VAC,60 HZ CONTROL VOLTAGE; APPROXIMATELY 2 SECONDS PICK-UP TIME DELAY; TRIP ADJUSTMENT: SCREWDRIVER ADJUSTABLE,1 AMP TO 5 AMP,HIGHEST OF THE THREE PHASES ACTUATES CONTACTS; HERMETICALLY SEALED; FOUR 0.172 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.