The Hose,air Duct, cataloged under National Stock Number 4720-01-244-0097, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-244-0097 |
| Primary Part Number | 501-5589765ITEM56 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Measuring Method and Length | 4.500 INCHES NOMINAL OVERALL IN |
| Cross-Sectional Shape Style | OVAL |
| Material | RUBBER CHLOROPRENE CLASS CR SINGLE PLY |
| 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 |
|---|---|
| 501-5589765ITEM56 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 3140595 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 501-5589765 | D/9 Drawing number reference only Naval Sea Systems Command |
| 3140595 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-244-0097 is a Hose,air Duct, manufactured by Naval Sea Systems Command, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-244-0097 has 1 manufacturer part number on file: 501-5589765ITEM56 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 4720-01-244-0098, 4720-01-244-2510, 4720-01-244-2511. Verify interchangeability with system specifications before substitution.
Key specifications for 501-5589765ITEM56: Measuring Method and Length: 4.500 INCHES NOMINAL OVERALL IN; Cross-Sectional Shape Style: OVAL; Material: RUBBER CHLOROPRENE CLASS CR SINGLE PLY. 3 specifications are documented in the U.S. Government catalog.
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.