The Relay,electromagnetic, cataloged under National Stock Number 5945-00-059-5340, 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 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-059-5340 |
| Primary Part Number | MFW3801-S02 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 28.0 DC |
| Main Contact Load Current Rating at Maximum Rated Voltage | 1.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 2.0 KILOHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 10.0 MILLIAMPERES DC SINGLE WINDING |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 5 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| 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 |
|---|---|
| MFW3801-S02 PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3100L-001-2001 | 5/9 Secondary reference U.S. Government activity |
| A1253 | 5/9 Secondary reference Couch S H Co |
| MFW3801-S02 | 5/9 Secondary reference Te Connectivity Corporation |
| 124-0012-027 | 5/2 Secondary reference U.S. Government activity |
| 3100L001-2001 | 5/9 Secondary reference U.S. Government activity |
NSN 5945-00-059-5340 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-059-5340 has 1 manufacturer part number on file: MFW3801-S02 (Te Connectivity Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4310-01-061-4764. Verify interchangeability with system specifications before substitution.
Key specifications for MFW3801-S02: Mounting Facility Type and Quantity: 2 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Overall Height: 0.600 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 28.0 DC; Main Contact Load Current Rating at Maximum Rated Voltage: 1.0 AMPERES DC RESISTIVE LOAD. 12 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.