The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-535-7667, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-535-7667 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flow Rate and Fluid Type | 365.0 GALLONS PER MINUTE WATER |
| Pressure Rating | 700.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Strainer Type and Quantity | PERFORATED PLATES, 68 INNER, 66 OUTER; CARTRIDGE MODULE ASSEMBLY |
| Design Type | STRAIGHT |
| End Connection Type | THREADED FEMALE FIRST CONNECTION |
| Criticality Code Justification | FEAT |
| Diameter | 22.960 INCHES NOMINAL IN |
| Valve Size | 3.000 INCHES IN |
| Test Data Document | 801-6640811 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Material | COPPER AND NICKEL BODY |
| End Connection Similarity | NOT IDENTICAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 2633-561-01-260 | 5/2 Secondary reference U.S. Government activity |
| 801-6640811 ASSY 260 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-535-7667 is a Restrictor Unit,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-535-7667: Flow Rate and Fluid Type: 365.0 GALLONS PER MINUTE WATER; Pressure Rating: 700.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Strainer Type and Quantity: PERFORATED PLATES, 68 INNER, 66 OUTER; CARTRIDGE MODULE ASSEMBLY; Design Type: STRAIGHT. 11 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.
NSN 4730-01-535-7667 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.