The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-229-8619, 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 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-229-8619 |
| Primary Part Number | N920M12278A3-8CP |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Flow Control Device | DISK, FLAT |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | DIAPHRAGM |
| Body Style | STRAIGHT THRU |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | STREAMLINED WITH ONE BRAZING RING |
| Criticality Code Justification | ZZZY |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| First End Connection Type | UNTHREADED INTERNAL PIPE |
| First End Nominal Pipe Size Accommodated | 0.375 INCHES IN |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Media for Which Designed | WATER, OIL OR GAS |
| Maximum Inlet Pressure Rating | ERR-060 |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| 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 |
|---|---|
| N920M12278A3-8CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 0X515X1 3-8INCP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| N920M12278A3-8 | 5/1 Secondary reference Grove Valve Operations |
| 0X515X1 3-8IN | 5/1 Secondary reference Grove Valve Operations |
| M12278ACP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| M12278A | 3/1 Design control — primary reference Grove Valve Operations |
NSN 4820-00-229-8619 is a Valve,regulating,fluid Pressure, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-229-8619 has 1 manufacturer part number on file: N920M12278A3-8CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for N920M12278A3-8CP: Flow Control Device: DISK, FLAT; Second End Relationship with First End: IDENTICAL; Remote Actuation Method: DIAPHRAGM; Body Style: STRAIGHT THRU. 16 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.