The Thermostatic Power Assembly, cataloged under National Stock Number 4820-00-919-9941, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Electric Co Alco Controls Div. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-919-9941 |
| Primary Part Number | 043424 |
| Item Name | Thermostatic Power Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Electric Co Alco Controls Div |
| Status | ACTIVE |
| General Characteristics Item Description | BODY MATERIAL BRASS,CAPILLARY TUBE AND REMOTE BULB MATERIAL COPPER,CAPILLARY TUBE LENGTH 60.0 IN.,BULB LENGTH 3.062 IN.,BULB DIA 0.0625 IN.,MEDIA REFRIGERANT R12,STANDARD BULB,EXTERNAL EQUALIZER PORT UNTHREADED INTERNAL TUBE,OD TUBE ACCOMODATED 0.250 IN. IN |
| 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 |
|---|---|
| 043424 PRIMARY | Emerson Electric Co Alco Controls Div (USA) |
| Reference | Meaning |
|---|---|
| 4820PL1342981 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| XB1024FW55-1C | 5/9 Secondary reference Emerson Electric Co Alco Controls Div |
| X23048-FW1C | 5/9 Secondary reference Emerson Electric Co Alco Controls Div |
| XB1024FW-1C | 5/9 Secondary reference Emerson Electric Co Alco Controls Div |
NSN 4820-00-919-9941 is a Thermostatic Power Assembly, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-919-9941 has 1 manufacturer part number on file: 043424 (Emerson Electric Co Alco Controls Div).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-162-5294. Verify interchangeability with system specifications before substitution.
Key specifications for 043424: General Characteristics Item Description: BODY MATERIAL BRASS,CAPILLARY TUBE AND REMOTE BULB MATERIAL COPPER,CAPILLARY TUBE LENGTH 60.0 IN.,BULB LENGTH 3.062 IN.,BULB DIA 0.0625 IN.,MEDIA REFRIGERANT R12,STANDARD BULB,EXTERNAL EQUALIZER PORT UNTHREADED INTERNAL TUBE,OD TUBE ACCOMODATED 0.250 IN. IN. 1 specification is 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.