The Coupling,tube, cataloged under National Stock Number 4730-00-231-0815, 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 Allied Marine Services Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Coupling,tube |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Allied Marine Services Llc (CAGE 1QNM6); Interlube Systems (CAGE U0027) |
| Parameter | Value |
|---|---|
| NSN | 4730-00-231-0815 |
| Primary Part Number | LE80687 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Allied Marine Services Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| LE80687 PRIMARY | Allied Marine Services Llc (USA) |
| LE80687 | Interlube Systems (GBR) |
| Reference | Meaning |
|---|---|
| LE80687 | 5/9 Secondary reference Allied Marine Services, Llc Dba Allied Technical Services |
| 1E4820 | 5/9 Secondary reference Interlube Systems |
NSN 4730-00-231-0815 is a Coupling,tube, manufactured by Allied Marine Services Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-231-0815 has 2 manufacturer part numbers on file: LE80687 (Allied Marine Services Llc), LE80687 (Interlube Systems).
1 possible match (shared part number, not a government interchangeability claim): 6550-01-560-9458. Verify interchangeability with system specifications before substitution.
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.