The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-230-1890, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tate Andale, Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-230-1890 |
| Primary Part Number | 020457512D |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Second End Relationship with First End | IDENTICAL |
| Body Style | ANGLE |
| First Connection Face to Centerline Distance | 4.000 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| Second Connection Face to Centerline Distance | 4.000 INCHES NOMINAL IN |
| First End Connection Type | RAISED FACE FLANGE |
| Material | BRONZE SEAT |
| Material | STEEL FLOW CONTROL DEVICE |
| Media for Which Designed | LUBRICATING OIL, DIESTER BASE |
| Filter | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| N5759 | Tate Andale, Llc (USA) |
| 020457512D PRIMARY | Tate Andale, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2X2 8-300-FACT | C/1 Advisory reference — outside the item-of-supply concept Tate Andale, Llc |
NSN 4820-01-230-1890 is a Valve,regulating,fluid Pressure, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-230-1890 has 2 manufacturer part numbers on file: N5759 (Tate Andale, Llc), 020457512D (Tate Andale, Llc).
Key specifications for 020457512D: Flow Control Device: DISK; Second End Relationship with First End: IDENTICAL; Body Style: ANGLE; First Connection Face to Centerline Distance: 4.000 INCHES NOMINAL IN. 12 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.
NSN 4820-01-230-1890 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.