The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-506-6793, 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 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-506-6793 |
| Primary Part Number | 48-9254 |
| 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 |
| Design Type | PLATE |
| Hose/tube Size for Which Designed | 2 INCH FLANGE IN |
| Material | STEEL CORROSION RESISTING |
| Orifice Diameter | 0.375 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 |
|---|---|
| 48-9254 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| 613-A10654 ITEM 16 | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 613-A10654 | D/9 Drawing number reference only Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| 048-09254-000 | C/1 Advisory reference — outside the item-of-supply concept Aqua-Chem, Inc. Dba Aqua-Chem Inc |
NSN 4730-01-506-6793 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 4730-01-506-6793 has 2 manufacturer part numbers on file: 48-9254 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 613-A10654 ITEM 16 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
4 possible matches (shared part number, not a government interchangeability claim): 6680-01-506-7523, 5930-01-506-8141, 5930-01-506-8171. Verify interchangeability with system specifications before substitution.
Key specifications for 48-9254: Design Type: PLATE; Hose/tube Size for Which Designed: 2 INCH FLANGE IN; Special Features: MATERIAL 316L STAINLESS STEEL; Part Name Assigned by Controlling Agency: 2ND PASS FEED FLOW ORIFICE. 4 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.