The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-00-947-1015, 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 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-00-947-1015 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flow Rate and Fluid Type | 0.7 GALLONS PER MINUTE OIL |
| Pressure Rating | 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Width Across Flats | 0.813 INCHES NOMINAL IN |
| Strainer Type and Quantity | 2 FILTER |
| End Connection Component Type and Size for Which Designed | 3/8 IN. OD TUBE AND 1/4 IN. OD TUBE IN |
| Design Type | STRAIGHT |
| Thread Series | UNF FIRST CONNECTION |
| Thread Series | UNF SECOND CONNECTION |
| End Connection Type | THREADED MALE FIRST CONNECTION |
| End Connection Type | THREADED MALE SECOND CONNECTION |
| Valve Size | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND SECOND CONNECTION |
| Thread Direction | RIGHT-HAND FIRST CONNECTION |
| Thread Size Designator | 7/16 - 20 SECOND CONNECTION |
| Thread Size Designator | 9/16 - 18 FIRST CONNECTION |
| Operating Temp Range | -65.0 TO 275.0 FAHRENHEIT DEGF |
| Thread Class | 3A THD FIRST CONNECTION A |
| Thread Class | 3A THD SECOND CONNECTION A |
| Material | RUBBER SYNTHETIC PACKING |
| Material | STEEL CORROSION RESISTING FILTER |
| Material | ALUMINUM ALLOY BODY |
| End Connection Similarity | NOT IDENTICAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| NE0001399 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| R4001-11 | 3/9 Design control — primary reference Engineered Magnetics Inc Aap Div |
NSN 4730-00-947-1015 is a Restrictor Unit,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-947-1015: Flow Rate and Fluid Type: 0.7 GALLONS PER MINUTE OIL; Pressure Rating: 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Width Across Flats: 0.813 INCHES NOMINAL IN; Strainer Type and Quantity: 2 FILTER. 22 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.