The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-385-1263, 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 Diamond Power International, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Diamond Power International, Inc. (CAGE 17590) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-385-1263 |
| Primary Part Number | 302352-0111 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Diamond Power International, Inc. |
| 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 |
|---|---|
| 302352-0111 PRIMARY | Diamond Power International, Inc. (USA) |
| 3121751857 ITEM 18 | Diamond Power International, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3121751857 | D/9 Drawing number reference only Diamond Power International, Inc. |
NSN 4730-01-385-1263 is a Restrictor,fluid Flow, manufactured by Diamond Power International, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-385-1263 has 2 manufacturer part numbers on file: 302352-0111 (Diamond Power International, Inc.), 3121751857 ITEM 18 (Diamond Power International, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2090-01-385-8540. Verify interchangeability with system specifications before substitution.
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.