The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-214-5684, 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 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-214-5684 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flow Rate and Fluid Type | 30000.0 GALLONS PER MINUTE WATER |
| Strainer Type and Quantity | 2 SCREEN |
| Design Type | STRAIGHT |
| Thread Series | UNF ALL CONNECTIONS |
| End Connection Type | THREADED FEMALE ALL CONNECTIONS |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 304 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30304 ASSN STD SINGLE MATERIAL RESPONSE SCREENING |
| Material Document and Classification | QQ-S-763, CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Diameter | 0.187 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND ALL CONNECTIONS |
| Thread Size Designator | 0.164-36 ALL CONNECTIONS |
| Thread Class | 2B ALL CONNECTIONS |
| Material | STEEL COMP 303 BODY |
| Material | STEEL COMP 304 SCREENING |
| 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 |
| Reference | Meaning |
|---|---|
| JETA1872300H | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-214-5684 is a Restrictor Unit,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-214-5684: Flow Rate and Fluid Type: 30000.0 GALLONS PER MINUTE WATER; Strainer Type and Quantity: 2 SCREEN; Design Type: STRAIGHT; Thread Series: UNF ALL CONNECTIONS. 14 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.