The Power Assembly,thermostatic,valv, cataloged under National Stock Number 4820-00-021-3658, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Schneider Electric Systems Usa 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-021-3658 |
| Primary Part Number | E85F528 |
| Item Name | Power Assembly,thermostatic,valv |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Schneider Electric Systems Usa Inc |
| Status | ACTIVE |
| General Characteristics Item Description | BULB 1.250 IN. DIA,RANGE 70.0 DEG F TO 110.0 DEG F,BULB 20 IN. LG,1.750-18 NS 2A THD BULB CONNECTION A |
| 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 |
|---|---|
| E85F528 PRIMARY | Schneider Electric Systems Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| JDW4133-85 | 5/9 Secondary reference Schneider Electric Systems Usa Inc |
| 98558B1 | 5/9 Secondary reference Schneider Electric Systems Usa Inc |
NSN 4820-00-021-3658 is a Power Assembly,thermostatic,valv, manufactured by Schneider Electric Systems Usa Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-021-3658 has 1 manufacturer part number on file: E85F528 (Schneider Electric Systems Usa Inc).
Key specifications for E85F528: General Characteristics Item Description: BULB 1.250 IN. DIA,RANGE 70.0 DEG F TO 110.0 DEG F,BULB 20 IN. LG,1.750-18 NS 2A THD BULB CONNECTION A. 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.