The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-334-0896, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-334-0896 |
| Primary Part Number | 44306-3220CP |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Flow Control Device | ANY ACCEPTABLE |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | SINGLE CONNECTION ANGLE FLOW |
| First End Style Designator | DOUBLE COMPRESSION |
| Criticality Code Justification | ZZZY |
| End Connection Quantity | 2 |
| Second End Style Designator | OPTIONAL END |
| Opening Pressure Setting | ERR-060 |
| First End Connection Type | THREADED INTERNAL TUBE |
| Temp Adjustability | NOT ADJUSTABLE |
| First End Outside Diameter Tube Accommodated | 0.562 INCHES NOMINAL IN |
| Material | STEEL BODY |
| Media for Which Designed | AIR |
| Second End Connection Type | THREADED INTERNAL TUBE |
| Valve Discharge Flow Rate | 1378.0 CUBIC FEET PER MINUTE |
| Second End Outside Diameter Tube Accommodated | 0.500 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 44306-3220CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 44306-3220 | 3/1 Design control — primary reference Fluid Mechanics Valve Company |
NSN 4820-01-334-0896 is a Valve,relief,pressure and Temper, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-334-0896 has 1 manufacturer part number on file: 44306-3220CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for 44306-3220CP: Flow Control Device: ANY ACCEPTABLE; Second End Relationship with First End: NOT IDENTICAL; Body Style: SINGLE CONNECTION ANGLE FLOW; First End Style Designator: DOUBLE COMPRESSION. 17 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.