The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-345-2736, 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 Div Defense. Government technical data includes 14 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-345-2736 |
| Primary Part Number | 84001540-001 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Length | 1.330 INCHES NOMINAL IN |
| Thread Provision | THREADED FIRST PROVISION |
| Thread Provision | THREADED SECOND PROVISION |
| Design Type | TUBULAR, HEX SHAPE |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST PROVISION |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND PROVISION |
| Thread Length | 0.540 INCHES NOMINAL FIRST PROVISION IN |
| Thread Length | 0.540 INCHES NOMINAL SECOND PROVISION IN |
| Hose/tube Size for Which Designed | 1/4 IN. OD TUBE IN |
| Thread Direction | RIGHT-HAND FIRST PROVISION |
| Thread Direction | RIGHT-HAND SECOND PROVISION |
| Thread Size Designator | 7/16-20 FIRST PROVISION |
| Thread Size Designator | 7/16-20 SECOND PROVISION |
| Orifice Diameter | 0.004 INCHES NOMINAL 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 |
|---|---|
| 84001540-001 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 84001540 | 7/1 Vendor item drawing reference U.S. Government activity |
| 10342349 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| JETB1875 300H | 3/2 Design control — primary reference U.S. Government activity |
| 84001540-001 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-345-2736 is a Restrictor,fluid Flow, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-345-2736 has 1 manufacturer part number on file: 84001540-001 (The Boeing Company Div Defense).
Key specifications for 84001540-001: Length: 1.330 INCHES NOMINAL IN; Thread Provision: THREADED FIRST PROVISION; Thread Provision: THREADED SECOND PROVISION; Design Type: TUBULAR, HEX SHAPE. 14 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.