The Thermostat Assembly, cataloged under National Stock Number 1420-00-931-1144, is classified within Federal Supply Class 1420 (Guided Missile Components) of the Guided Missiles group. The manufacturer of record is Raytheon Company Dba Raytheon Co. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Thermostat Assembly |
| FSC / FSG | 1420 — Guided Missile Components (FSG 14) |
| Manufacturers | Raytheon Company (CAGE 54X10); Raytheon Company Dba Raytheon Co (CAGE 3B150); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003) |
| Parameter | Value |
|---|---|
| NSN | 1420-00-931-1144 |
| Primary Part Number | BUWEPSDWG1555449 |
| Item Name | Thermostat Assembly |
| FSC / FSG | 1420 / 14 — Guided Missile Components |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| BUWEPSDWG1555449 | Raytheon Company (USA) |
| BUWEPSDWG1555449 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| 1555449 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 1555449 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 1420009311144 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| BUWEPSDWG1555449 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 1420-00-931-1144 is a Thermostat Assembly, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 1420, Guided Missile Components. Status: active.
NSN 1420-00-931-1144 has 4 manufacturer part numbers on file: BUWEPSDWG1555449 (Raytheon Company), BUWEPSDWG1555449 (Raytheon Company Dba Raytheon Co), 1555449 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 1555449 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-555-3149. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1420-00-931-1144 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.