The Hose,air Duct, cataloged under National Stock Number 4720-00-899-4315, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Flexfab Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-899-4315 |
| Primary Part Number | GEN2003-10-13 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Flexfab Llc |
| Status | ACTIVE |
| Measuring Method and Length | 3.250 INCHES NOMINAL OVERALL IN |
| Connection Style | ROUND BOTH ENDS |
| Connection Type | PREFORMED BOTH ENDS |
| Style Designator | SLEEVE SECTION |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.065 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Operating Pressure | 20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Features Provided | OZONE RESISTANT |
| Inside Diameter | 1.250 INCHES NOMINAL FIRST END IN |
| End Overall Length | 0.167 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 1.250 INCHES NOMINAL BOTH ENDS IN |
| Material | FIBERGLASS AND RUBBER BUTYL SECOND PLY |
| Material | FIBERGLASS AND RUBBER FIRST 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 |
|---|---|
| GEN2003-10-13 | Flexfab Llc (USA) |
| 712398-1.25-13 | Arrowhead Products Corp (USA) |
| Reference | Meaning |
|---|---|
| C246-10-13 | 7/2 Vendor item drawing reference U.S. Government activity |
| 712398-1-25-13 | 5/9 Secondary reference Arrowhead Products Corp |
| 5006-10-13 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-00-899-4315 is a Hose,air Duct, manufactured by Flexfab Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-899-4315 has 2 manufacturer part numbers on file: GEN2003-10-13 (Flexfab Llc), 712398-1.25-13 (Arrowhead Products Corp).
Key specifications for GEN2003-10-13: Measuring Method and Length: 3.250 INCHES NOMINAL OVERALL IN; Connection Style: ROUND BOTH ENDS; Connection Type: PREFORMED BOTH ENDS; Style Designator: SLEEVE SECTION. 13 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.