The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-615-5535, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 5 specifications, 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 | 4820-01-615-5535 |
| Primary Part Number | 40055-417 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| Flow Control Device | STEM AND INTEGRAL DISK |
| Temp Rating | 80.0 FAHRENHEIT MINIMUM AND 110.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Material | COPPER ALLOY BODY |
| Furnished Items | BONNET AND TAILPIECE W/GROOVES |
| 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 |
|---|---|
| 40055-4ASSY 4005-417 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40055-417 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 4820-01-615-5535 is a Valve,regulating,temperature, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-615-5535 has 2 manufacturer part numbers on file: 40055-4ASSY 4005-417 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40055-417 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
Key specifications for 40055-417: Flow Control Device: STEM AND INTEGRAL DISK; Temp Rating: 80.0 FAHRENHEIT MINIMUM AND 110.0 FAHRENHEIT MAXIMUM DEGF; End Connection Quantity: 2; Material: COPPER ALLOY BODY. 5 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.