The Hose,air Duct, cataloged under National Stock Number 4720-00-528-3391, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Arrowhead Products Corp. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-528-3391 |
| Primary Part Number | 3206390 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Arrowhead Products Corp |
| Status | ACTIVE |
| Measuring Method and Length | 3.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 6.130 INCHES IN |
| Connection Style | ROUND FIRST END |
| Connection Type | SOFT FIRST END |
| Style Designator | FULLY CONVOLUTED |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Features Provided | OZONE RESISTANT |
| Inside Diameter | 6.130 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 6.130 INCHES NOMINAL FIRST END IN |
| Test Data Document | 81205-BMS 8-6 OR BMS 8-17 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| 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 |
|---|---|
| 3206390 PRIMARY | Arrowhead Products Corp (USA) |
| CT48493 PRIMARY | Lanxess Corporation (USA) |
| Reference | Meaning |
|---|---|
| AD105-14 | 3/2 Design control — primary reference U.S. Government activity |
| 5-31775-14 | 7/2 Vendor item drawing reference U.S. Government activity |
| 1332 | 5/9 Secondary reference Automation Industries Inc Flexible Tubing Div |
| 4462-14 | 5/9 Secondary reference U.S. Government activity |
| 3206390 | 5/9 Secondary reference Federal-Mogul Corp Chassis Products Div |
NSN 4720-00-528-3391 is a Hose,air Duct, manufactured by Arrowhead Products Corp, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-528-3391 has 2 manufacturer part numbers on file: 3206390 (Arrowhead Products Corp), CT48493 (Lanxess Corporation).
Key specifications for 3206390: Measuring Method and Length: 3.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 6.130 INCHES IN; Connection Style: ROUND FIRST END; Connection Type: SOFT FIRST END. 11 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.