The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-351-4071, 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 L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-351-4071 |
| Primary Part Number | 168667-8 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Length | 1.290 INCHES NOMINAL IN |
| Thread Provision | THREADED FIRST PROVISION |
| Design Type | TUBULAR |
| Thread Series | UNF FIRST PROVISION |
| Outside Diameter | 0.688 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND FIRST PROVISION |
| Thread Size Designator | 9/16-18 FIRST PROVISION |
| Surface Treatment | PASSIVATE |
| Thread Class | 2A FIRST PROVISION A |
| 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 |
|---|---|
| 168667-8 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| Reference | Meaning |
|---|---|
| 168667 | D/9 Drawing number reference only L3harris Technologies, Inc Div Space & Airborne Systems |
NSN 4730-01-351-4071 is a Restrictor,fluid Flow, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-351-4071 has 1 manufacturer part number on file: 168667-8 (L3harris Technologies, Inc Div Space & Airborne Systems).
Key specifications for 168667-8: Length: 1.290 INCHES NOMINAL IN; Thread Provision: THREADED FIRST PROVISION; Design Type: TUBULAR; Thread Series: UNF FIRST PROVISION. 10 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.