The Relay,electromagnetic, cataloged under National Stock Number 5945-01-017-5421, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is B.c. Systems Inc. Dba Bc Systems Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-01-017-5421 |
| Primary Part Number | 91963 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | B.c. Systems Inc. Dba Bc Systems Inc |
| Status | ACTIVE |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC |
| Main Contact Load Current Rating at Maximum Rated Voltage | 3.0 AMPERES AC INDUCTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 10.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 2.0 AMPERES DC SINGLE WINDING |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| 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 |
|---|---|
| 351735 | B.c. Systems Inc. Dba Bc Systems Inc (USA) |
| 91963 PRIMARY | B.c. Systems Inc. Dba Bc Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 91963 | C/1 Advisory reference — outside the item-of-supply concept Elec-Trol Inc |
| 91963 | 5/9 Secondary reference Tempo Instrument Inc Defense Electronics Div |
| 351735 | 5/9 Secondary reference Tempo Instrument Inc Defense Electronics Div |
NSN 5945-01-017-5421 is a Relay,electromagnetic, manufactured by B.c. Systems Inc. Dba Bc Systems Inc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-017-5421 has 2 manufacturer part numbers on file: 351735 (B.c. Systems Inc. Dba Bc Systems Inc), 91963 (B.c. Systems Inc. Dba Bc Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-317-1468. Verify interchangeability with system specifications before substitution.
Key specifications for 91963: Overall Height: 1.500 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC; Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES AC INDUCTIVE LOAD; Duty Type: CONTINUOUS. 8 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.