The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-079-0533, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-079-0533 |
| Primary Part Number | 65652-03245-042 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Length | 1.754 INCHES MINIMUM AND 1.762 INCHES MAXIMUM IN |
| Thread Provision | UNTHREADED LOCATION NOT OTHERWISE SPECIFIED |
| Design Type | TUBULAR |
| Outside Diameter | 0.419 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY |
| Orifice Diameter | 0.156 INCHES MINIMUM AND 0.162 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 |
|---|---|
| 65652-03245-042 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 65652-03245-042 | S & L Aerospace Metals Llc (USA) |
| 65652-03245-042 | Worldwide Aeronautical Components Inc. Dba Beryllium Manufacturing (USA) |
NSN 4730-00-079-0533 is a Restrictor,fluid Flow, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-079-0533 has 3 manufacturer part numbers on file: 65652-03245-042 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 65652-03245-042 (S & L Aerospace Metals Llc), 65652-03245-042 (Worldwide Aeronautical Components Inc. Dba Beryllium Manufacturing).
Key specifications for 65652-03245-042: Length: 1.754 INCHES MINIMUM AND 1.762 INCHES MAXIMUM IN; Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: TUBULAR; Outside Diameter: 0.419 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN. 7 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.