The Thermostat Assembly, cataloged under National Stock Number 4820-00-466-7795, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lawler Manufacturing Company, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-466-7795 |
| Primary Part Number | 71821-02 |
| Item Name | Thermostat Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lawler Manufacturing Company, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | 85 TO 135 DEG F 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 |
|---|---|
| 71821-02 PRIMARY | Lawler Manufacturing Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 71821 | D/9 Drawing number reference only Lawler Manufacturing Company, Inc. |
NSN 4820-00-466-7795 is a Thermostat Assembly, manufactured by Lawler Manufacturing Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-466-7795 has 1 manufacturer part number on file: 71821-02 (Lawler Manufacturing Company, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 5330-00-471-4459, 5975-01-218-7049, 5365-01-504-2336. Verify interchangeability with system specifications before substitution.
Key specifications for 71821-02: General Characteristics Item Description: 85 TO 135 DEG F DEGF. 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.