The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-034-1614, 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 Dana Off Highway Products, Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-034-1614 |
| Primary Part Number | 393266 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Length | 0.625 INCHES NOMINAL IN |
| Thread Provision | THREADED LOCATION NOT OTHERWISE SPECIFIED |
| Design Type | TUBULAR, HEX SHAPE |
| Thread Series | NPTF FIRST PROVISION |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) SECOND PROVISION |
| Thread Length | 0.188 INCHES MINIMUM AND 0.270 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Outside Diameter | 0.405 INCHES NOMINAL IN |
| Thread Size Designator | 0.125-27 FIRST PROVISION |
| Thread Size Designator | 0.250-20 SECOND PROVISION |
| Thread Class | 2B LOCATION NOT OTHERWISE SPECIFIED |
| Material | COPPER ALLOY |
| Orifice Diameter | 0.062 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 |
|---|---|
| 393266 PRIMARY | Dana Off Highway Products, Llc (USA) |
| 007393266 | Tvh Parts Co. (USA) |
| Reference | Meaning |
|---|---|
| 393266 | 3/9 Design control — primary reference Clark Equipment Co |
| 007393266 | 5/9 Secondary reference Lift Parts Mfg Co Inc Div of Echlin Mfg Co the |
NSN 4730-00-034-1614 is a Restrictor,fluid Flow, manufactured by Dana Off Highway Products, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-034-1614 has 2 manufacturer part numbers on file: 393266 (Dana Off Highway Products, Llc), 007393266 (Tvh Parts Co.).
1 possible match (shared part number, not a government interchangeability claim): 2540-01-576-6346. Verify interchangeability with system specifications before substitution.
Key specifications for 393266: Length: 0.625 INCHES NOMINAL IN; Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: TUBULAR, HEX SHAPE; Thread Series: NPTF FIRST PROVISION. 12 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.