The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-003-6796, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corp Div Sporlan Division. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-003-6796 |
| Primary Part Number | ADRS2 1-2 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corp Div Sporlan Division |
| Status | ACTIVE |
| Flow Control Device | NEEDLE |
| Second End Relationship with First End | IDENTICAL |
| Offset Distance | 0.562 INCHES NOMINAL IN |
| Body Style | STRAIGHT THRU W/OFFSET |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | CRIMPED |
| Temp Rating | 150.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 0.0 TO 30.0 CAMERA MOUNT |
| Valve Loading Method | SPRING |
| First End Connection Type | UNTHREADED INTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.500 INCHES NOMINAL IN |
| Material | BRASS SEAT |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Media for Which Designed | REFRIGERANT, NONCORROSIVE |
| 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 |
|---|---|
| ADRS2 1-2 PRIMARY | Parker-Hannifin Corp Div Sporlan Division (USA) |
| Reference | Meaning |
|---|---|
| 72018 | 3/9 Design control — primary reference Psb Industries Inc Dba General Air Division |
| 72067PC19 | 5/9 Secondary reference Psb Industries Inc Dba General Air Division |
NSN 4820-01-003-6796 is a Valve,regulating,fluid Pressure, manufactured by Parker-Hannifin Corp Div Sporlan Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-003-6796 has 1 manufacturer part number on file: ADRS2 1-2 (Parker-Hannifin Corp Div Sporlan Division).
2 possible matches (shared part number, not a government interchangeability claim): 6515-01-346-4838, 6240-01-439-4727. Verify interchangeability with system specifications before substitution.
Key specifications for ADRS2 1-2: Flow Control Device: NEEDLE; Second End Relationship with First End: IDENTICAL; Offset Distance: 0.562 INCHES NOMINAL IN; Body Style: STRAIGHT THRU W/OFFSET. 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.