The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-589-9033, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Goodrich Corporation. Government technical data includes 30 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-589-9033 |
| Primary Part Number | 155665-2-2 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Flow Control Device | DISK, TOP GUIDED |
| Valve Stem Design | DOUBLE SEAT |
| Renewable Seat Ring Type | PRESSED-IN |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Offset Distance | 3.000 INCHES NOMINAL IN |
| Body Style | TEE W/OFFSET |
| Regulation Type | AUTOMATIC DOUBLE STAGE |
| First End Seat Angle in Deg | 37.5 |
| First End Thread Class | 2A A |
| Third End Relationship with Preceding Ends | NOT IDENTICAL WITH FIRST OR SECOND END |
| First End Style Designator | FLARED |
| End Connection Quantity | 4 |
| Third End Outside Diameter Tube Accommodated | 0.500 INCHES NOMINAL IN |
| Valve Loading Method | SPRING |
| Third End Thread Direction | RIGHT-HAND |
| First End Connection Type | THREADED EXTERNAL TUBE |
| Third End Thread Class | 2A A |
| Surface Treatment | PASSIVATE OUTSIDE |
| Third End Connection Type | THREADED EXTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.750 INCHES NOMINAL IN |
| Fourth End Relationship with Preceding Ends | IDENTICAL WITH THIRD END |
| Material | PLASTIC FLOW CONTROL DEVICE |
| Material | STEEL SEAT |
| Material | PLASTIC PACKING |
| Material | STEEL STEM |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Third End Seat Angle in Deg | 37.5 |
| Third End Style Designator | FLARED |
| Thread Size and Series/type Designator | 1-1/16-12 UN FIRST END |
| 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 |
|---|---|
| 155665-2-2 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 155665-2-2 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 155665-2-1 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| 155665-2-2 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| 155665-2-2 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 4820-00-589-9033 is a Valve,regulating,fluid Pressure, manufactured by Goodrich Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-589-9033 has 1 manufacturer part number on file: 155665-2-2 (Goodrich Corporation).
Key specifications for 155665-2-2: Flow Control Device: DISK, TOP GUIDED; Valve Stem Design: DOUBLE SEAT; Renewable Seat Ring Type: PRESSED-IN; First End Thread Direction: RIGHT-HAND. 30 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.