The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-475-2252, 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 Hydril Rubber Opns. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Hydril Rubber Opns (CAGE 69717) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-475-2252 |
| Primary Part Number | 3122406 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydril Rubber Opns |
| Status | ACTIVE |
| 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 |
|---|---|
| 3122406 PRIMARY | Hydril Rubber Opns (USA) |
| Reference | Meaning |
|---|---|
| 3122400 ITEM 5 | 5/9 Secondary reference Hydril Rubber Opns |
| 3122399 | D/9 Drawing number reference only Hydril Rubber Opns |
| 3122399 ITEM 5 | 5/9 Secondary reference Hydril Rubber Opns |
NSN 4730-01-475-2252 is a Restrictor,fluid Flow, manufactured by Hydril Rubber Opns, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-475-2252 has 1 manufacturer part number on file: 3122406 (Hydril Rubber Opns).
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.