The Hose Assembly,metallic, cataloged under National Stock Number 4720-01-220-8288, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Huntington Ingalls Inc Div Newport News Shipbuilding (CAGE 43689); Hyspan Precision Products, Inc. (CAGE 70510) |
| Parameter | Value |
|---|---|
| NSN | 4720-01-220-8288 |
| Primary Part Number | 203699 |
| Item Name | Hose Assembly,metallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| 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 |
|---|---|
| 203699 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 181808-0001 | Hyspan Precision Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2004373-4A | 5/2 Secondary reference U.S. Government activity |
| 2004373-ASSEMBL | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 75742-15X2PCAY4A | 3/2 Design control — primary reference U.S. Government activity |
| SSBN616-207-2004373 | D/9 Drawing number reference only U.S. Government activity |
NSN 4720-01-220-8288 is a Hose Assembly,metallic, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-220-8288 has 2 manufacturer part numbers on file: 203699 (Huntington Ingalls Inc Div Newport News Shipbuilding), 181808-0001 (Hyspan Precision Products, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-301-0569, 3020-01-342-8744. 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.