The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-274-0793, 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 15 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-274-0793 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Width Across Flats | 0.688 INCHES NOMINAL IN |
| Strainer Type and Quantity | 1 SCREEN |
| Design Type | STRAIGHT |
| Thread Series | UNF ALL CONNECTIONS |
| End Connection Type | THREADED MALE, REGULAR FLARE ALL CONNECTIONS |
| Valve Size | 2.500 INCHES IN |
| Thread Direction | RIGHT-HAND ALL CONNECTIONS |
| Thread Size Designator | 0.438-20 ALL CONNECTIONS |
| Thread Class | 3A ALL CONNECTIONS A |
| Unable to Decode | UNABLE TO DECODE |
| Material | STEEL BODY |
| Material | STEEL SCREENING |
| Orifice Diameter | 0.010 INCHES NOMINAL IN |
| End Connection Similarity | NOT IDENTICAL |
| Angle Between Connections | 37.0 DEGREES NOMINAL ALL CONNECTIONS |
| 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 |
|---|---|
| 332-2715 | 7/1 Vendor item drawing reference U.S. Government activity |
| 332-2715-100 | 5/2 Secondary reference U.S. Government activity |
| VDCB1835410H | 3/2 Design control — primary reference U.S. Government activity |
| VDLA1835410H | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4730-01-274-0793 is a Restrictor Unit,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-274-0793: Width Across Flats: 0.688 INCHES NOMINAL IN; Strainer Type and Quantity: 1 SCREEN; Design Type: STRAIGHT; Thread Series: UNF ALL CONNECTIONS. 15 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.