The Regulator,thermostatic Temperatu, cataloged under National Stock Number 4820-01-622-9836, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Yanmar America Corporation. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-622-9836 |
| Primary Part Number | 121850-49800 |
| Item Name | Regulator,thermostatic Temperatu |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Yanmar America Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 121850-49800 PRIMARY | Yanmar America Corporation (USA) |
| 121850-49801 | Diesel Equipment Company Dba Diesel Equipment Co (USA) |
| Reference | Meaning |
|---|---|
| 121850-49800 | 3/9 Design control — primary reference Yanmar Diesel Engine Co. Ltd |
| 121850-49800 | 5/9 Secondary reference Yanmar Diesel America Corp |
NSN 4820-01-622-9836 is a Regulator,thermostatic Temperatu, manufactured by Yanmar America Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-622-9836 has 2 manufacturer part numbers on file: 121850-49800 (Yanmar America Corporation), 121850-49801 (Diesel Equipment Company Dba Diesel Equipment Co).
Key specifications for 121850-49800: Part Name Assigned by Controlling Agency: THERMOSTAT, 82; End Item Identification: 6115-01-613-2479. 0 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.