The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-484-0170, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Honeywell International Inc. Dba Honeywell Div Sensing and Control. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-484-0170 |
| Primary Part Number | 21546-001 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Honeywell International Inc. Dba Honeywell Div Sensing and Control |
| Status | ACTIVE |
| Temp Rating | 60.0 FAHRENHEIT MINIMUM AND 55.5 FAHRENHEIT MAXIMUM DEGF |
| 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 |
|---|---|
| 21546-001 PRIMARY | Honeywell International Inc. Dba Honeywell Div Sensing and Control (USA) |
| Reference | Meaning |
|---|---|
| 10124744 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 4820PL0750642 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4820-01-484-0170 is a Valve,regulating,temperature, manufactured by Honeywell International Inc. Dba Honeywell Div Sensing and Control, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-484-0170 has 1 manufacturer part number on file: 21546-001 (Honeywell International Inc. Dba Honeywell Div Sensing and Control).
Key specifications for 21546-001: Temp Rating: 60.0 FAHRENHEIT MINIMUM AND 55.5 FAHRENHEIT MAXIMUM DEGF; Special Features: OPERATES TO 200 VOLTS;FUSE OPEN AT 363F; End Item Identification: C-295 AIRCRAFT. 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.