The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-072-3578, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Automatic Switch Company Dba Asco. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-072-3578 |
| Primary Part Number | FV82-210-1 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Automatic Switch Company Dba Asco |
| Status | ACTIVE |
| Length | 0.126 INCHES NOMINAL IN |
| Thread Provision | UNTHREADED LOCATION NOT OTHERWISE SPECIFIED |
| Design Type | PLATE |
| Outside Diameter | 0.326 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Orifice Diameter | 0.051 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 |
| Part Number | Manufacturer |
|---|---|
| FV82-210-1 PRIMARY | Automatic Switch Company Dba Asco (USA) |
| FV82-210-1-21 | Automatic Switch Company Dba Asco (USA) |
| Reference | Meaning |
|---|---|
| AV174-526 | D/9 Drawing number reference only Automatic Switch Company Dba Asco |
NSN 4730-01-072-3578 is a Restrictor,fluid Flow, manufactured by Automatic Switch Company Dba Asco, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-072-3578 has 2 manufacturer part numbers on file: FV82-210-1 (Automatic Switch Company Dba Asco), FV82-210-1-21 (Automatic Switch Company Dba Asco).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-073-6053, 4730-01-073-6054. Verify interchangeability with system specifications before substitution.
Key specifications for FV82-210-1: Length: 0.126 INCHES NOMINAL IN; Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: PLATE; Outside Diameter: 0.326 INCHES NOMINAL IN. 6 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.