The Thermostatic Assembly, cataloged under National Stock Number 4820-00-406-6820, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-406-6820 |
| Primary Part Number | 65915 |
| Item Name | Thermostatic Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Spirax Sarco Inc Dba Spirax Sarco |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS AND COPPER; CONSISTS OF CAPILLARY BULB 1; CAPILLARY TUBE 1; BELLOWS 1; NO. 3A T-2 THERMAL SYSTEM ONLY RANGE 120 TO 180 DEG F A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-00-406-6820 is a Thermostatic Assembly, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-406-6820 has 2 manufacturer part numbers on file: B53617 (Spirax Sarco Inc Dba Spirax Sarco), 65915 (Spirax Sarco Inc Dba Spirax Sarco).
Key specifications for 65915: General Characteristics Item Description: BRASS AND COPPER; CONSISTS OF CAPILLARY BULB 1; CAPILLARY TUBE 1; BELLOWS 1; NO. 3A T-2 THERMAL SYSTEM ONLY RANGE 120 TO 180 DEG F 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.