The Relay,rotary, cataloged under National Stock Number 5945-01-521-3545, 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. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5945-01-521-3545 |
| Primary Part Number | MDR-5170 |
| Item Name | Relay,rotary |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Contact Current Type | AC |
| Structural Design | NONPILE-UP |
| Contact Arrangement | 4PDTNO |
| Contact Maximum Voltage Rating in Volts | 115.0 |
| Coil Winding Quantity | 1 |
| 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 |
|---|---|
| MDR-5170 PRIMARY | Te Connectivity Corporation (USA) |
| REL0135 | Plainville Electrical Products Company, the Dba Plainville Electrical Products (USA) |
| 1191 ITEM 36 | Plainville Electrical Products Company, the Dba Plainville Electrical Products (USA) |
| Reference | Meaning |
|---|---|
| 1191 | D/9 Drawing number reference only Plainville Electrical Products Company, the Dba Plainville Electrical Products |
NSN 5945-01-521-3545 is a Relay,rotary, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-521-3545 has 3 manufacturer part numbers on file: MDR-5170 (Te Connectivity Corporation), REL0135 (Plainville Electrical Products Company, the Dba Plainville Electrical Products), 1191 ITEM 36 (Plainville Electrical Products Company, the Dba Plainville Electrical Products).
Key specifications for MDR-5170: Contact Current Type: AC; Structural Design: NONPILE-UP; Contact Arrangement: 4PDTNO; Contact Maximum Voltage Rating in Volts: 115.0. 5 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.