The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-165-8012, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lincoln Electric Co the Harris Calorific Div. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-165-8012 |
| Primary Part Number | 3700030 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lincoln Electric Co the Harris Calorific Div |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Body Style | ANGLE |
| Regulation Type | 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 0.0 TO 50.0 CAMERA MOUNT |
| Manual Control Method | KNOB |
| Valve Loading Method | SPRING |
| Media for Which Designed | PROPANE |
| Maximum Inlet Pressure Rating | ERR-060 |
| 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 |
|---|---|
| 77-50-510-P | De Lille Oxygen Co (USA) |
| 3700030 PRIMARY | Lincoln Electric Co the Harris Calorific Div (USA) |
| Reference | Meaning |
|---|---|
| 77-50-510 | 5/9 Secondary reference De Lille Oxygen Co |
| 3700030 | 5/9 Secondary reference Harris Calorific Co the |
NSN 4820-01-165-8012 is a Valve,regulating,fluid Pressure, manufactured by Lincoln Electric Co the Harris Calorific Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-165-8012 has 2 manufacturer part numbers on file: 77-50-510-P (De Lille Oxygen Co), 3700030 (Lincoln Electric Co the Harris Calorific Div).
1 possible match (shared part number, not a government interchangeability claim): 5430-01-422-9425. Verify interchangeability with system specifications before substitution.
Key specifications for 3700030: Flow Control Device: DISK; Body Style: ANGLE; Regulation Type: 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC; End Connection Quantity: 2. 10 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.