The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-505-4746, 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 Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-505-4746 |
| Primary Part Number | 613-A-10654 ITEM 26 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Orifice Diameter | 0.622 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 |
|---|---|
| 613-A-10654 ITEM 26 | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 613-A-10654 REV 3 | D/9 Drawing number reference only Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| 048-09255-000 | C/1 Advisory reference — outside the item-of-supply concept Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| 048-09255-000 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
NSN 4730-01-505-4746 is a Restrictor,fluid Flow, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-505-4746 has 1 manufacturer part number on file: 613-A-10654 ITEM 26 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
Key specifications for 613-A-10654 ITEM 26: Outside Diameter: 2.000 INCHES NOMINAL IN; Special Features: FLANGE CONNECTION; Part Name Assigned by Controlling Agency: CENTRIFUGAL SEPARATOR PURGE ORIFICE; End Item Identification: VALVE GLB, FILTER SKID. 2 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.