The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-414-8053, 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 Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-414-8053 |
| Primary Part Number | 211058287 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Flow Rate and Fluid Type | 35.0 GALLONS PER MINUTE WATER |
| Pressure Rating | 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| End Connection Component Type and Size for Which Designed | 3.000 IN. PIPE FLANGES IN |
| Design Type | STRAIGHT |
| Diameter | 3.483 INCHES NOMINAL IN |
| Material | COPPER ALLOY 706 BODY |
| Orifice Diameter | 0.375 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| End Connection Similarity | IDENTICAL |
| 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 |
|---|---|
| DF2651-2827 ASSY-85 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 514-6404906-AY85 | Naval Sea Systems Command (USA) |
| 211058287 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 6404906 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-414-8053 is a Restrictor Unit,fluid Flow, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-414-8053 has 3 manufacturer part numbers on file: DF2651-2827 ASSY-85 (Huntington Ingalls Inc Div Newport News Shipbuilding), 514-6404906-AY85 (Naval Sea Systems Command), 211058287 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 211058287: Flow Rate and Fluid Type: 35.0 GALLONS PER MINUTE WATER; Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; End Connection Component Type and Size for Which Designed: 3.000 IN. PIPE FLANGES IN; Design Type: STRAIGHT. 8 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.