The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-472-4141, 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 The Boeing Company. Government technical data includes 16 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-472-4141 |
| Primary Part Number | A15HS041-3 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Length | 2.500 INCHES MAXIMUM IN |
| Thread Provision | THREADED FIRST PROVISION |
| Thread Provision | THREADED SECOND PROVISION |
| Design Type | TUBULAR |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST PROVISION |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND PROVISION |
| Thread Length | 0.598 INCHES NOMINAL FIRST PROVISION IN |
| Thread Length | 0.714 INCHES NOMINAL SECOND PROVISION IN |
| Hose/tube Size for Which Designed | 3/8 AND 1/2 IN TUBE CONNECTIONS IN |
| Outside Diameter | 3.000 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND ALL PROVISIONS |
| Thread Size Designator | 9/16-18 FIRST PROVISION |
| Thread Size Designator | 3/4-16 SECOND PROVISION |
| Thread Class | 3B FIRST PROVISION |
| Thread Class | 3B SECOND PROVISION |
| Orifice Diameter | 0.875 INCHES MINIMUM AND 0.890 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 |
|---|---|
| A15HS041-3 PRIMARY | The Boeing Company (USA) |
| RC968SHQDC3 PRIMARY | Pall Aeropower Corporation (USA) |
NSN 4730-01-472-4141 is a Restrictor,fluid Flow, manufactured by The Boeing Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-472-4141 has 2 manufacturer part numbers on file: A15HS041-3 (The Boeing Company), RC968SHQDC3 (Pall Aeropower Corporation).
Key specifications for A15HS041-3: Length: 2.500 INCHES MAXIMUM IN; Thread Provision: THREADED FIRST PROVISION; Thread Provision: THREADED SECOND PROVISION; Design Type: TUBULAR. 16 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.