The Relay,electromagnetic, cataloged under National Stock Number 5945-01-249-5697, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Dare Electronics, Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-249-5697 |
| Primary Part Number | F3-51 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Dare Electronics, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 28.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Arc Quenching Method | AIR |
| Overall Diameter | 1.250 INCHES MAXIMUM IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 1.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Cubic Measure | 3.068 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 24.0 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 |
| Purpose for Which Designed | GENERAL |
| 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 |
|---|---|
| F3-51 PRIMARY | Dare Electronics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| F3-51 | 5/9 Secondary reference Bristol Babcock Inc Instruments-Systems Div Sub of Babcock Intl Inc |
NSN 5945-01-249-5697 is a Relay,electromagnetic, manufactured by Dare Electronics, Inc., classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-249-5697 has 1 manufacturer part number on file: F3-51 (Dare Electronics, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-312-6732, 6625-01-373-2480. Verify interchangeability with system specifications before substitution.
Key specifications for F3-51: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Main Contact Maximum Voltage Rating in Volts: 28.0 DC; Fragility Factor: MODERATELY RUGGED; Arc Quenching Method: AIR. 16 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.