The Cartridge,needle Valve, cataloged under National Stock Number 4820-01-718-5255, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-718-5255 |
| Item Name | Cartridge,needle Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Operating Pressure | 3.5 BAR MAXIMUM |
| Reference Number Differentiating Characteristics | SUITABLE FOR SUBMARINES CERTIFICATED ITEM SUPPLIED WITH PROVENANCE AND TRACEABILITY DOCUMENTATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| LOJC-XDN | 3/1 Design control — primary reference Sun Hydraulics Corporation |
NSN 4820-01-718-5255 is a Cartridge,needle Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-718-5255: Criticality Code Justification: ZZZY; Operating Pressure: 3.5 BAR MAXIMUM; Special Features: NEXT HIGHER ASSY AP PRESSURIZATION SYSTEM BLOCK; Part Name Assigned by Controlling Agency: UNBALANCED POPPET LOGIC ELEMENT. 3 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.