The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-264-7487, 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 14 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-264-7487 |
| Primary Part Number | 40534-101 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 8 |
| Two-Way Valve Action | REVERSE ACTING |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 8.313 INCHES MINIMUM AND 8.437 INCHES MAXIMUM IN |
| First End Style Designator | PLAIN |
| Temp Rating | 70.0 FAHRENHEIT MINIMUM AND 76.0 FAHRENHEIT MAXIMUM DEGF |
| First End Bolt Hole Diameter | 0.563 INCHES NOMINAL IN |
| First End Bolt Circle Diameter | 5.500 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| First End Connection Type | PLAIN FACE FLANGE |
| Temp Adjustability | ADJUSTABLE |
| First End Flange Shape Style | ROUND W/ BOLT HOLES |
| Thermostatic Element | LIQUID IMMERSION TYPE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 40534-101 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 5975863 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 4820-01-264-7487 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 4820-01-264-7487 has 1 manufacturer part number on file: 40534-101 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
Key specifications for 40534-101: First End Bolt Hole Quantity: 8; Two-Way Valve Action: REVERSE ACTING; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 14 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.