The Coupling Assembly,tube,flexible, cataloged under National Stock Number 4730-00-159-0001, 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 Sae International Dba Sae International. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Coupling Assembly,tube,flexible |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Transdigm Inc Div Adelwiggins Group (CAGE 79326); Sae International Dba Sae International (CAGE 0U583) |
| Parameter | Value |
|---|---|
| NSN | 4730-00-159-0001 |
| Primary Part Number | AS1712D56 |
| Item Name | Coupling Assembly,tube,flexible |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| 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 |
|---|---|
| 63051-56A | Transdigm Inc Div Adelwiggins Group (USA) |
| AS1712D56 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS1712D56 | 3/9 Design control — primary reference U.S. Government activity |
| SAE-AS1710 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-00-159-0001 is a Coupling Assembly,tube,flexible, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-159-0001 has 2 manufacturer part numbers on file: 63051-56A (Transdigm Inc Div Adelwiggins Group), AS1712D56 (Sae International Dba Sae International).
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.