The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-288-3918, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sun Hydraulics Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-288-3918 |
| Primary Part Number | FXCALAVGBP04 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sun Hydraulics Corporation |
| Status | ACTIVE |
| Media for Which Designed | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE |
| 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 |
|---|---|
| FXCALAVGBP04 PRIMARY | Sun Hydraulics Corporation (USA) |
| Reference | Meaning |
|---|---|
| H554AD001 | D/9 Drawing number reference only U.S. Government activity |
| H554AD001 ITEM 22 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-288-3918 is a Valve,regulating,fluid Pressure, manufactured by Sun Hydraulics Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-288-3918 has 1 manufacturer part number on file: FXCALAVGBP04 (Sun Hydraulics Corporation).
Key specifications for FXCALAVGBP04: Media for Which Designed: HYDRAULIC FLUID, PHOSPHATE-ESTER BASE. 1 specification is 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.