The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-054-3760, 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11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-054-3760 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Pressure Rating | 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Strainer Type and Quantity | 1 SCREEN |
| End Connection Component Type and Size for Which Designed | 1/2 IN. PIPE IN |
| Design Type | STRAIGHT |
| Material Document and Classification | TYPE 18-8 ASSN STD SINGLE MATERIAL RESPONSE SCREENING |
| Material Document and Classification | TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Valve Size | 0.500 INCHES IN |
| Departure From Cited Document | AS MODIFIED BY ORIFICE SIZE |
| Material | STEEL COMP 304 BODY |
| Material | STEEL SCREENING |
| Orifice Diameter | 0.0210 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 |
| Reference | Meaning |
|---|---|
| MS18301-05AND11MOD.021DIA | 2/2 Government specification standardization U.S. Government activity |
| MS18301-05X11 | 5/9 Secondary reference U.S. Government activity |
| MS18301-05X11-0 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4730-01-054-3760 is a Restrictor Unit,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-054-3760: Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Strainer Type and Quantity: 1 SCREEN; End Connection Component Type and Size for Which Designed: 1/2 IN. PIPE IN; 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.
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.