The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-227-1106, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fairchild Industrial Products Company. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-227-1106 |
| Primary Part Number | 81452 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fairchild Industrial Products Company |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Face to Face Distance | 2.500 INCHES NOMINAL IN |
| Regulation Type | MANUAL, DOUBLE STAGE |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 0.5 TO 100.0 CAMERA MOUNT |
| Manual Control Method | KNOB |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | ALUMINUM BODY |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE |
| Outlet Pressure Accuracy Rating | ERR-060 |
| Media for Which Designed | AIR |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 1/4-18 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 |
|---|---|
| 81452 PRIMARY | Fairchild Industrial Products Company (USA) |
| Reference | Meaning |
|---|---|
| 81352 | 5/9 Secondary reference Fairchild Industrial Products Company |
| EA-12206-3 0T10 | C/1 Advisory reference — outside the item-of-supply concept Fairchild Industrial Products Company |
| EC-12210 ASSY EA-12206-3 | 5/9 Secondary reference Fairchild Industrial Products Company |
NSN 4820-01-227-1106 is a Valve,regulating,fluid Pressure, manufactured by Fairchild Industrial Products Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-227-1106 has 1 manufacturer part number on file: 81452 (Fairchild Industrial Products Company).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-442-2839. Verify interchangeability with system specifications before substitution.
Key specifications for 81452: Flow Control Device: DIAPHRAGM; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 19 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.