The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-306-3127, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-306-3127 |
| Primary Part Number | 6263937 FIND 11 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | DIAPHRAGM |
| Body Style | STRAIGHT THRU |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | PLAIN |
| Temp Rating | 200.0 FAHRENHEIT NOMINAL DEGF |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING STEM |
| Material | PLASTIC TETRAFLUOROETHYLENE SEAT |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 0.250-18 NPT FIRST END |
| Filter | NOT INCLUDED |
| 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 |
|---|---|
| 6263937 FIND 11 | Naval Sea Systems Command (USA) |
| 9560141300 | Safran Helicopter Engines (FRA) |
| Reference | Meaning |
|---|---|
| 44-2262-241 | 3/9 Design control — primary reference Tescom Corp Pressure Controls Div |
| 44-2262-241 | 5/9 Secondary reference Tescom Corp Dba Tescom Div Tescom |
| 6263937 | D/9 Drawing number reference only Naval Sea Systems Command |
| 6264016 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 44-2262-241 | 5/9 Secondary reference Cavalier Controls |
NSN 4820-01-306-3127 is a Valve,regulating,fluid Pressure, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-306-3127 has 2 manufacturer part numbers on file: 6263937 FIND 11 (Naval Sea Systems Command), 9560141300 (Safran Helicopter Engines).
1 possible match (shared part number, not a government interchangeability claim): 1650-01-418-7483. Verify interchangeability with system specifications before substitution.
Key specifications for 6263937 FIND 11: Flow Control Device: DIAPHRAGM; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Remote Actuation Method: DIAPHRAGM. 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.