The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-322-9305, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-322-9305 |
| Primary Part Number | 5A9-04010 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 5D3-02298 ITEM 23 | Lake Shore Systems, Inc. (USA) |
| 5A9-04010 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5D3-02298 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
NSN 4730-01-322-9305 is a Restrictor,fluid Flow, manufactured by Lake Shore Systems, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-322-9305 has 2 manufacturer part numbers on file: 5D3-02298 ITEM 23 (Lake Shore Systems, Inc.), 5A9-04010 (Lake Shore Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-337-4169. Verify interchangeability with system specifications before substitution.
Key specifications for 5A9-04010: Material: STEEL CORROSION RESISTING. 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.