The Hose,air Duct, cataloged under National Stock Number 4720-01-003-4356, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-003-4356 |
| Primary Part Number | AA-52546/1 9-711 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Measuring Method and Length | 29.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 7.500 INCHES IN |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Features Provided | OZONE RESISTANT |
| Inside Diameter | 3.000 INCHES NOMINAL FIRST END IN |
| Material | STEEL REINFORCING WIRE |
| Material | PLASTIC POLYAMIDE NYLON AND RUBBER CHLOROPRENE CLASS CR FIRST PLY |
| Material | PLASTIC POLYAMIDE NYLON AND RUBBER CHLOROPRENE CLASS CR COVER |
| 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 |
|---|---|
| AA-52546/1 9-711 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| Reference | Meaning |
|---|---|
| A-A-52546/1 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| 7401666 | 5/1 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 0206-0300-0168 | 5/1 Secondary reference Flexible Technologies Inc |
NSN 4720-01-003-4356 is a Hose,air Duct, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-003-4356 has 1 manufacturer part number on file: AA-52546/1 9-711 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
Key specifications for AA-52546/1 9-711: Measuring Method and Length: 29.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 7.500 INCHES IN; Connection Type: PLAIN BOTH ENDS; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED. 10 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.