The Hose Assembly,metallic, cataloged under National Stock Number 4720-01-657-2730, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is U.s. Hose Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Hose Assembly,metallic |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); U.s. Hose Corp (CAGE 4JYL9) |
| Parameter | Value |
|---|---|
| NSN | 4720-01-657-2730 |
| Primary Part Number | MD56012BX61008 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | U.s. Hose Corp |
| 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 |
|---|---|
| 8454970 SHEET 11 | Naval Sea Systems Command (USA) |
| MD56012BX61008 PRIMARY | U.s. Hose Corp (USA) |
| Reference | Meaning |
|---|---|
| 504-8454970 | D/9 Drawing number reference only Naval Sea Systems Command |
| MD56012BX61008 | 5/9 Secondary reference U.s. Hose Corp |
NSN 4720-01-657-2730 is a Hose Assembly,metallic, manufactured by U.s. Hose Corp, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-657-2730 has 2 manufacturer part numbers on file: 8454970 SHEET 11 (Naval Sea Systems Command), MD56012BX61008 (U.s. Hose Corp).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-657-2737. 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.