The Hose Assembly,air Duct, cataloged under National Stock Number 4720-01-389-0605, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-389-0605 |
| Primary Part Number | 246017-96 |
| Item Name | Hose Assembly,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Measuring Method and Length | 300.000 INCHES NOMINAL OVERALL IN |
| Connection Type | COUPLING FIRST END |
| Connection Type | COUPLING SECOND END |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Inside Diameter | 16.000 INCHES NOMINAL FIRST END IN |
| 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 |
|---|---|
| 246017-96 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 500K1069-1 | 5/9 Secondary reference Drs Environmental Systems Inc |
| FLX1550-0012 | 3/9 Design control — primary reference Flexfab Llc |
| 500K1069-1 | 5/9 Secondary reference U.S. Government activity |
| FLX1550-0012 | C/1 Advisory reference — outside the item-of-supply concept Chase Supply, Inc. Dba Chase Defense Partners |
| 246017-96 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
| 500K1069-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 500K1069 | D/9 Drawing number reference only U.S. Government activity |
NSN 4720-01-389-0605 is a Hose Assembly,air Duct, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-389-0605 has 1 manufacturer part number on file: 246017-96 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 246017-96: Measuring Method and Length: 300.000 INCHES NOMINAL OVERALL IN; Connection Type: COUPLING FIRST END; Connection Type: COUPLING SECOND END; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED. 6 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.