The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-735-4471, 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 Goodrich Aerospace Canada Ltd. Government technical data includes 6 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 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 | 4730-00-735-4471 |
| Primary Part Number | 5866-5 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Goodrich Aerospace Canada Ltd |
| Status | ACTIVE |
| Length | 0.690 INCHES NOMINAL IN |
| Thread Provision | UNTHREADED LOCATION NOT OTHERWISE SPECIFIED |
| Design Type | TUBULAR |
| Outside Diameter | 0.561 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Material | STEEL |
| Orifice Diameter | 0.035 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 5866-5 PRIMARY | Goodrich Aerospace Canada Ltd (CAN) |
NSN 4730-00-735-4471 is a Restrictor,fluid Flow, manufactured by Goodrich Aerospace Canada Ltd, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-735-4471 has 1 manufacturer part number on file: 5866-5 (Goodrich Aerospace Canada Ltd).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-230-4695. Verify interchangeability with system specifications before substitution.
Key specifications for 5866-5: Length: 0.690 INCHES NOMINAL IN; Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: TUBULAR; Outside Diameter: 0.561 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN. 6 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.