The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-00-109-6906, 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 Rtx Corporation Div Pratt & Whitney. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4730-00-109-6906 |
| Primary Part Number | 46783-0 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Design Type | STRAIGHT |
| Diameter | 0.189 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING BODY |
| Material | STEEL CORROSION RESISTING FILTER |
| Orifice Diameter | 0.031 INCHES NOMINAL IN |
| End Connection Similarity | NOT IDENTICAL |
| 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 |
|---|---|
| 46783-0 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
NSN 4730-00-109-6906 is a Restrictor Unit,fluid Flow, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-109-6906 has 1 manufacturer part number on file: 46783-0 (Rtx Corporation Div Pratt & Whitney).
2 possible matches (shared part number, not a government interchangeability claim): 3120-00-234-2887, 6550-01-502-6000. Verify interchangeability with system specifications before substitution.
Key specifications for 46783-0: Design Type: STRAIGHT; Diameter: 0.189 INCHES NOMINAL IN; Overall Length: 1.775 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING BODY. 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.