The Relay,electromagnetic, cataloged under National Stock Number 5945-00-018-9666, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Andrea Systems Llc. 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-018-9666 |
| Primary Part Number | C29-0029 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Andrea Systems Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 250.0 MILLIAMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.096 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 552.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 50.0 MILLIAMPERES DC SINGLE WINDING |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 27.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.124 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 8 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 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 |
|---|---|
| C29-0029 | Andrea Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 68GB2-1-A-552-5 | 5/9 Secondary reference U.S. Government activity |
| C29-0029 | 3/9 Design control — primary reference Andrea Electronics Corporation |
| 3SAE1226A2 | 5/9 Secondary reference Genicom Corp |
| 3SAE2107A2 | 5/9 Secondary reference Genicom Corp |
| 3SAE2107A2 | 5/9 Secondary reference Communications Instruments Inc Div of Cii Technologies |
| 68GB2-1-A-552-5 | 5/9 Secondary reference IV-Electronic Klaus Vespermann Kg |
NSN 5945-00-018-9666 is a Relay,electromagnetic, manufactured by Andrea Systems Llc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-018-9666 has 1 manufacturer part number on file: C29-0029 (Andrea Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-169-7941. Verify interchangeability with system specifications before substitution.
Key specifications for C29-0029: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 0.400 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY. 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.