The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-505-7772, 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 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-505-7772 |
| Primary Part Number | 40506-908 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| End Connection Quantity | 2 |
| Valve Size | 0.250 INCHES IN |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | WATER, SALT |
| 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 |
|---|---|
| 40506-908 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| CD40704 ASSY 40506-908 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40506-908/CD040704 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 40506-908/CD407 | C/1 Advisory reference — outside the item-of-supply concept Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
NSN 4820-01-505-7772 is a Valve,regulating,fluid Pressure, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-505-7772 has 3 manufacturer part numbers on file: 40506-908 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), CD40704 ASSY 40506-908 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40506-908/CD040704 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
Key specifications for 40506-908: End Connection Quantity: 2; Valve Size: 0.250 INCHES IN; Special Features: OUTLET RANGE IS 5-60 PSIG, INLET PRESSURE 150 PSI, SILBRACE UNION ENDS; End Item Identification: VALVE. 4 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.