The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-515-4049, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-515-4049 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| First End Thread Direction | LEFT-HAND |
| Second End Relationship with First End | NOT IDENTICAL |
| Body Style | STRAIGHT THRU |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Seat Angle in Deg | 12.0 |
| First End Thread Class | 3A A |
| First End Style Designator | FLARELESS |
| Temp Rating | -40.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 0.0 TO 15.0 CAMERA MOUNT |
| Second End Thread Direction | LEFT-HAND |
| Manual Control Method | KNOB |
| Valve Loading Method | SPRING |
| Second End Style Designator | COMPRESSION |
| Nondefinitive Spec/std Data | 1 TYPE AND F1 CLASS |
| First End Connection Type | THREADED EXTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.375 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | PROPANE |
| Second End Connection Type | THREADED EXTERNAL GAS CYLINDER |
| Furnished Items | AUTOMATIC RELIEF VALVE AND CYLINDER GAGE AND DELIVERY GAGE |
| Thread Size and Series/type Designator | 9/16-18 UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Thread Size and Series/type Designator | 0.880-14 NGO SECOND END |
| Filter | INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-R-19180 | 4/1 Identification reference U.S. Government activity |
NSN 4820-00-515-4049 is a Valve,regulating,fluid Pressure, classified under FSC 4820, Valves, Nonpowered. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 4820-00-526-9261, 4820-00-551-0757, 4820-00-551-0758. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-00-515-4049: Flow Control Device: DISK; First End Thread Direction: LEFT-HAND; Second End Relationship with First End: NOT IDENTICAL; Body Style: STRAIGHT THRU. 25 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.