The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-320-6032, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-320-6032 |
| Primary Part Number | 3311582-1TR |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Flow Control Device | PLUG |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | DIAPHRAGM |
| Body Style | STRAIGHT THRU |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Style Designator | GASKET SEAL |
| Temp Rating | 40.0 FAHRENHEIT MINIMUM AND 122.0 FAHRENHEIT MAXIMUM DEGF |
| Criticality Code Justification | ZZZY |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 73.0 TO 82.0 CAMERA MOUNT |
| Manual Control Method | SCREW |
| Valve Loading Method | SPRING |
| Mounting Facility | BOLTS OR STUD |
| First End Connection Type | UNTHREADED INTERNAL PIPE |
| First End Nominal Pipe Size Accommodated | 1.000 INCHES IN |
| Material | COPPER ALLOY SEAT |
| Material | TITANIUM ALLOY FLOW CONTROL DEVICE |
| Media for Which Designed | WATER |
| Maximum Inlet Pressure Rating | ERR-060 |
| Furnished Items | TAILPIECE AND BONNET |
| Outlet Pressure Setting | ERR-060 |
| Filter | NOT INCLUDED |
| Reference Number Differentiating Characteristics | SELECTED TESTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 3311582-1TR | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 3311582-1 | 3/9 Design control — primary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
| 3311582-1 | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
NSN 4820-01-320-6032 is a Valve,regulating,fluid Pressure, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-320-6032 has 1 manufacturer part number on file: 3311582-1TR (Naval Inventory Control Point Mechanicsburg).
Key specifications for 3311582-1TR: Flow Control Device: PLUG; Second End Relationship with First End: IDENTICAL; Remote Actuation Method: DIAPHRAGM; Body Style: STRAIGHT THRU. 23 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.
NSN 4820-01-320-6032 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.