The Flasher,thermal, cataloged under National Stock Number 5945-00-004-7567, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Truck-Lite Co., Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-004-7567 |
| Primary Part Number | 537A |
| Item Name | Flasher,thermal |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Truck-Lite Co., Llc |
| Status | ACTIVE |
| Flashing Rate | 90 PER MINUTE NOMINAL |
| Terminal Quantity | 3 |
| Terminal Type | SCREW |
| Overall Diameter | 1.375 INCHES MAXIMUM IN |
| DC Voltage Rating | 12.0 VOLTS NOMINAL |
| Lamp Power Rating for Which Designed | 21.0 CANDLEPOWER MAXIMUM |
| Lamp Quantity for Which Designed | 4 |
| Controlled Circuit Quantity | 4 |
| Adjustability | NONADJUSTABLE |
| Mounting Configuration | NO MTG FACILITIES |
| Operating Mechanism Inclosure | INCLUDED |
| 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 |
|---|---|
| 537A | Truck-Lite Co., Llc (USA) |
| Reference | Meaning |
|---|---|
| 537 | 3/2 Design control — primary reference U.S. Government activity |
| 537 | 5/9 Secondary reference U.S. Government activity |
| 537 | 5/9 Secondary reference U.S. Government activity |
| A43212V | 5/9 Secondary reference Signal-Stat Corp |
| A432-12V | 5/9 Secondary reference Signal-Stat Corp |
| 115 | 5/9 Secondary reference Signal-Stat Corp |
NSN 5945-00-004-7567 is a Flasher,thermal, manufactured by Truck-Lite Co., Llc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-004-7567 has 1 manufacturer part number on file: 537A (Truck-Lite Co., Llc).
1 possible match (shared part number, not a government interchangeability claim): 6625-00-930-9687. Verify interchangeability with system specifications before substitution.
Key specifications for 537A: Flashing Rate: 90 PER MINUTE NOMINAL; Terminal Quantity: 3; Terminal Type: SCREW; Overall Diameter: 1.375 INCHES MAXIMUM IN. 12 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.