The Valve,calibrated Flow, cataloged under National Stock Number 4820-01-422-5584, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-422-5584 |
| Primary Part Number | PCM1220SV20 |
| Item Name | Valve,calibrated Flow |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| Status | ACTIVE |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Thread Class | 2A A |
| End Connection Quantity | 2 |
| First End Connection Type | THREADED INTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.750 INCHES NOMINAL IN |
| Material | STEEL BODY |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 1-1/16-12 UN FIRST END |
| Valve Discharge Flow Rate | 2.5 GALLONS PER MINUTE AND 25.0 GALLONS PER MINUTE |
| 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 |
|---|---|
| 8230612-0701 | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
| PCM1220SV20 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA) |
| Reference | Meaning |
|---|---|
| 8230612 | 7/1 Vendor item drawing reference Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
NSN 4820-01-422-5584 is a Valve,calibrated Flow, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-422-5584 has 2 manufacturer part numbers on file: 8230612-0701 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)), PCM1220SV20 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-422-5723, 4820-01-423-3397. Verify interchangeability with system specifications before substitution.
Key specifications for PCM1220SV20: First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU; First End Thread Class: 2A A. 11 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.