The Thermostat, cataloged under National Stock Number 1045-01-054-8237, is classified within Federal Supply Class 1045 (Launchers, Torpedo and Depth Charge) of the Weapons group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1045-01-054-8237 |
| Primary Part Number | 7443779 |
| Item Name | Thermostat |
| FSC / FSG | 1045 / 10 — Launchers, Torpedo and Depth Charge |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 120.0 AC |
| Overall Diameter | 1.190 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN |
| General Characteristics Item Description | CIRCUIT CLOSE AT 40 DEGREE F AND OPEN AT 50 DEGREE F |
| Criticality Code Justification | FEAT |
| Surface Treatment | TIN |
| Current Rating | 25.000 AMPERES |
| Material | COPPER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 20425L20-204-844 | Texas Instruments Inc Materials and Controls Group (USA) |
| 7443779 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 20425L20-20-204-844 | 5/9 Secondary reference Texas Instruments Inc Control Products Div |
| 20425L147-204-844 | 5/9 Secondary reference Texas Instruments Inc Materials and Controls Group |
| 3246064 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 20425L20-204-844 | 5/9 Secondary reference Texas Instruments Inc Control Products Div |
| 5930PL0974140 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 20425L147-204-844 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1045-01-054-8237 is a Thermostat, manufactured by Naval Sea Systems Command, classified under FSC 1045, Launchers, Torpedo and Depth Charge. Status: active.
NSN 1045-01-054-8237 has 2 manufacturer part numbers on file: 20425L20-204-844 (Texas Instruments Inc Materials and Controls Group), 7443779 (Naval Sea Systems Command).
Key specifications for 7443779: Overall Height: 1.000 INCHES NOMINAL IN; Voltage in Volts and Current Type: 120.0 AC; Overall Diameter: 1.190 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN; General Characteristics Item Description: CIRCUIT CLOSE AT 40 DEGREE F AND OPEN AT 50 DEGREE F. 7 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.