The Hose,air Duct, cataloged under National Stock Number 4720-01-216-5812, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 9 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. Current acquisition status: Active.
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Manufacturers | Hamilton Sundstrand Corporation Dba Collins Aerospace (CAGE 73030) |
| Parameter | Value |
|---|---|
| NSN | 4720-01-216-5812 |
| Primary Part Number | 522295-24-9 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Measuring Method and Length | 2.250 INCHES NOMINAL OVERALL IN |
| Connection Type | PLAIN FIRST END |
| Style Designator | SLEEVE SECTION |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.070 INCHES NOMINAL IN |
| Operating Pressure | 325.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Features Provided | OZONE RESISTANT |
| Inside Diameter | 1.500 INCHES NOMINAL FIRST END IN |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q 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 |
|---|---|
| 522295-24-9 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 4720-01-216-5812 is a Hose,air Duct, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-216-5812 has 1 manufacturer part number on file: 522295-24-9 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 522295-24-9: Measuring Method and Length: 2.250 INCHES NOMINAL OVERALL IN; Connection Type: PLAIN FIRST END; Style Designator: SLEEVE SECTION; Cross-Sectional Shape Style: ROUND. 9 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.