The Parts Kit,linear Directional Con, cataloged under National Stock Number 4820-00-906-9359, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tactair Fluid Controls Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-906-9359 |
| Primary Part Number | HP8553 |
| Item Name | Parts Kit,linear Directional Con |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Component Quantity | 8 |
| End Item Source | 84685 |
| End Item Name | AIRCRAFT |
| Nonsupply Items and Quantities | BACK-UP RING 3; O-RING 5 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HP8553 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| HP8553 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-906-9359 is a Parts Kit,linear Directional Con, manufactured by Tactair Fluid Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-906-9359 has 1 manufacturer part number on file: HP8553 (Tactair Fluid Controls Inc).
Key specifications for HP8553: Component Quantity: 8; End Item Source: 84685; End Item Name: AIRCRAFT; Nonsupply Items and Quantities: BACK-UP RING 3; O-RING 5. 4 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 4820-00-906-9359 has DEMIL Code B. 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.