The Flasher,thermal, cataloged under National Stock Number 5945-01-024-3580, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Relay Specialties Inc. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-01-024-3580 |
| Primary Part Number | FS126RC |
| Item Name | Flasher,thermal |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Relay Specialties Inc |
| Status | ACTIVE |
| Flashing Rate | 75 PER MINUTE NOMINAL |
| Terminal Quantity | 2 |
| AC Voltage Rating | 120.0 VOLTS NOMINAL |
| Terminal Type | WIRE LEAD |
| Overall Diameter | 1.000 INCHES NOMINAL IN |
| Lamp Power Rating for Which Designed | 1.0 AMPERES MINIMUM AND 2.0 AMPERES MAXIMUM |
| Lamp Quantity for Which Designed | 1 |
| Controlled Circuit Quantity | 1 |
| Adjustability | ADJUSTABLE |
| Environmental Protection | HERMETICALLY SEALED |
| Mounting Configuration | 0.500 IN. W BRACKET W/0.188 IN. DIA HOLE IN |
| Operating Mechanism Inclosure | INCLUDED |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM |
| Battery Operation Facility | NOT PROVIDED |
| 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 |
|---|---|
| FS126RC PRIMARY | Relay Specialties Inc (USA) |
| FS126RC | Ssac Inc (USA) |
| Reference | Meaning |
|---|---|
| FS126-1 | 5/9 Secondary reference Relay Specialties Inc |
| 11323-14 | 5/2 Secondary reference U.S. Government activity |
| B12351 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5945-01-024-3580 is a Flasher,thermal, manufactured by Relay Specialties Inc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-024-3580 has 2 manufacturer part numbers on file: FS126RC (Relay Specialties Inc), FS126RC (Ssac Inc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-199-6251. Verify interchangeability with system specifications before substitution.
Key specifications for FS126RC: Flashing Rate: 75 PER MINUTE NOMINAL; Terminal Quantity: 2; AC Voltage Rating: 120.0 VOLTS NOMINAL; Terminal Type: WIRE LEAD. 14 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.