The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-453-2873, 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 Rolls-Royce Controls and Data Services Limited. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-453-2873 |
| Primary Part Number | 837-290 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rolls-Royce Controls and Data Services Limited |
| Status | ACTIVE |
| 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 |
|---|---|
| 837-290 PRIMARY | Rolls-Royce Controls and Data Services Limited (GBR) |
| Reference | Meaning |
|---|---|
| 837-290 | 5/9 Secondary reference Goodrich Control Systems Ltd T/a Goodrich Engine Control Systems |
NSN 4730-00-453-2873 is a Restrictor,fluid Flow, manufactured by Rolls-Royce Controls and Data Services Limited, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-453-2873 has 1 manufacturer part number on file: 837-290 (Rolls-Royce Controls and Data Services Limited).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-622-2001. Verify interchangeability with system specifications before substitution.
Key specifications for 837-290: End Item Identification: AIRCRAFT F-404 ENGINE. 0 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.