NSN 4730-01-257-1644
Part Details | FLUID FLOW RESTRICTOR
4730-01-257-1644 An item of solid one-piece construction, designed to restrict the flow of a fluid through it. It has an orifice of a smaller size than the diameter of flow into it. Excludes items such as VALVE (1), (as modified); and others with an adjustable orifice. Excludes pipe, tube, or hose fittings with restricted passages and items designed to test fluid flow. For items containing screens or filters, see RESTRICTOR UNIT, FLUID FLOW.
Alternate Parts: 5367438, 4730-01-257-1644, 01-257-1644, 4730012571644, 012571644
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | JUN 12, 1987 | 01-257-1644 | 18263 ( RESTRICTOR, FLUID FLOW ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 4730-01-257-1644
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5367438 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 4730-01-257-1644
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY |
| DESIGN TYPE | TUBULAR |
| THREAD PROVISION | B |
| THREAD SIZE DESIGNATOR | 1/2-28 |
| THREAD SERIES | NE |
| THREAD CLASS | 3B |
| THREAD LENGTH | A0.656 |
| THREAD DIRECTION | R |
| OUTSIDE DIAMETER | 0.875 INCHES NOMINAL |
| LENGTH | 0.875 INCHES NOMINAL |
| ORIFICE DIAMETER | 0.072 INCHES MINIMUM AND 0.075 INCHES MAXIMUM |