The Relay,thermal, cataloged under National Stock Number 5945-00-754-5339, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ge Aviation Systems Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-754-5339 |
| Primary Part Number | 124912-03 |
| Item Name | Relay,thermal |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Ge Aviation Systems Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 CLAMP |
| Contact Maximum Voltage Rating in Volts | 115.0 AC |
| Delay Time in Seconds | 6.0 ADJUSTABLE OPERATE NOMINAL |
| Contact Arrangement | SINGLE POLE, SINGLE THROW, NORMALLY OPEN |
| Overall Diameter | 0.796 INCHES NOMINAL IN |
| Heater Power Rating in Watts | 4.0 |
| Heater Voltage Rating in Volts | 115.0 |
| Contact Maximum Current Rating in Amps | 3.0 AC |
| Environmental Protection | HERMETIC |
| 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 |
|---|---|
| 124912-03 | Ge Aviation Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| GS2477 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5945-00-754-5339 is a Relay,thermal, manufactured by Ge Aviation Systems Llc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-754-5339 has 1 manufacturer part number on file: 124912-03 (Ge Aviation Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 2990-01-463-1829. Verify interchangeability with system specifications before substitution.
Key specifications for 124912-03: Mounting Facility Type and Quantity: 1 CLAMP; Overall Height: 2.375 INCHES NOMINAL IN; Contact Maximum Voltage Rating in Volts: 115.0 AC; Delay Time in Seconds: 6.0 ADJUSTABLE OPERATE NOMINAL. 9 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.