The Thermal Unit, cataloged under National Stock Number 4820-00-035-9746, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-035-9746 |
| Item Name | Thermal Unit |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | COPPERALLOY;INCLUDES BELLOWS,THERMOSTATIC BULB ASSEMBLY AND 10.000 FT.CAPILLARY TUBE;BELLOWS ARE 2.688 IN. LG;4.425 IN. DIA;BULB 12.000 IN. LG;1.000 IN. DIA;UNIT REFRIGERAT FILLED IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NAP333PC1T03-6-14-17 | 3/9 Design control — primary reference Atlas Valve Co |
NSN 4820-00-035-9746 is a Thermal Unit, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-035-9746: General Characteristics Item Description: COPPERALLOY;INCLUDES BELLOWS,THERMOSTATIC BULB ASSEMBLY AND 10.000 FT.CAPILLARY TUBE;BELLOWS ARE 2.688 IN. LG;4.425 IN. DIA;BULB 12.000 IN. LG;1.000 IN. DIA;UNIT REFRIGERAT FILLED 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.