The Hose,air Duct, cataloged under National Stock Number 4720-01-319-8767, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-319-8767 |
| Primary Part Number | 70210-682805-3-1 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.030 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Operating Pressure | 20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| 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 |
|---|---|
| 70210-682805-3-1 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| NAS521-4-8 | 3/2 Design control — primary reference U.S. Government activity |
| NAS522 | 3/1 Design control — primary reference U.S. Government activity |
NSN 4720-01-319-8767 is a Hose,air Duct, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-319-8767 has 1 manufacturer part number on file: 70210-682805-3-1 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70210-682805-3-1: Cross-Sectional Shape Style: ROUND; Wall Thickness: 0.030 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN; Operating Pressure: 20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. 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.