The Relay,thermal, cataloged under National Stock Number 5945-00-856-2468, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-856-2468 |
| Primary Part Number | 749605 |
| Item Name | Relay,thermal |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Contact Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Delay Time in Seconds | 15.0 FIXED OPERATE NOMINAL |
| Contact Arrangement | SINGLE POLE, SINGLE THROW, NORMALLY CLOSED |
| Heater Power Rating in Watts | 4.0 |
| Heater Voltage Rating in Volts | 115.0 |
| Contact Maximum Current Rating in Amps | 3.0 AC OR 1.0 DC |
| Environmental Protection | HERMETIC |
| Terminal Type and Quantity | 7 WIRE HOOK |
| 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 |
|---|---|
| 749605 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| RF-20-NC-115-15SEC | 3/2 Design control — primary reference U.S. Government activity |
NSN 5945-00-856-2468 is a Relay,thermal, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-856-2468 has 1 manufacturer part number on file: 749605 (Lockheed Martin Corporation Div Rms - Mitchel Field).
1 possible match (shared part number, not a government interchangeability claim): 6740-01-428-0939. Verify interchangeability with system specifications before substitution.
Key specifications for 749605: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Overall Height: 2.437 INCHES MAXIMUM IN; Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC; Delay Time in Seconds: 15.0 FIXED 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.