The Tube,flanged, cataloged under National Stock Number 4730-01-198-3924, 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 Leonardo S.p.a. - Electronics Division - Defence Business Area. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Tube,flanged |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Leonardo S.p.a. - Electronics Division - Defence Business Area (CAGE A0199); Bae Systems Land & Armaments L.p. (CAGE 44114) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-198-3924 |
| Primary Part Number | 1376-18-186 |
| Item Name | Tube,flanged |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Leonardo S.p.a. - Electronics Division - Defence Business Area |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 1376-18-186 PRIMARY | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| 5519756 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| 5519756 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 1376-18-186 | 5/9 Secondary reference Bae Systems Land & Armaments L.p. |
| 4730PL0837870 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4730-01-198-3924 is a Tube,flanged, manufactured by Leonardo S.p.a. - Electronics Division - Defence Business Area, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-198-3924 has 2 manufacturer part numbers on file: 1376-18-186 (Leonardo S.p.a. - Electronics Division - Defence Business Area), 5519756 (Bae Systems Land & Armaments L.p.).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4730-01-198-3924 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.