The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-049-3585, 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 Pentair Filtration Solutions, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-049-3585 |
| Primary Part Number | 3005-21 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Pentair Filtration Solutions, Llc |
| Status | ACTIVE |
| Length | 0.270 INCHES NOMINAL IN |
| Thread Provision | UNTHREADED SINGLE PROVISION |
| Design Type | PLATE |
| Material Document and Classification | ASTM B-140 ASSN STD SINGLE MATERIAL RESPONSE OR B-139 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 1.745 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 3004-85PC7 | Pentair Filtration Solutions, Llc (USA) |
| 3005-21 PRIMARY | Pentair Filtration Solutions, Llc (USA) |
| Reference | Meaning |
|---|---|
| 3004-85 | D/9 Drawing number reference only Pentair Filtration Solutions, Llc |
NSN 4730-01-049-3585 is a Restrictor,fluid Flow, manufactured by Pentair Filtration Solutions, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-049-3585 has 2 manufacturer part numbers on file: 3004-85PC7 (Pentair Filtration Solutions, Llc), 3005-21 (Pentair Filtration Solutions, Llc).
3 possible matches (shared part number, not a government interchangeability claim): 1005-01-141-7082, 4710-01-191-4883, 5330-01-330-1414. Verify interchangeability with system specifications before substitution.
Key specifications for 3005-21: Length: 0.270 INCHES NOMINAL IN; Thread Provision: UNTHREADED SINGLE PROVISION; Design Type: PLATE; Material Document and Classification: ASTM B-140 ASSN STD SINGLE MATERIAL RESPONSE OR B-139 ASSN STD SINGLE MATERIAL RESPONSE. 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.