The Hose,air Duct, cataloged under National Stock Number 4720-00-217-6819, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Arrowhead Products Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-217-6819 |
| Primary Part Number | 3-1664-14-96-6 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Arrowhead Products Corp |
| Status | ACTIVE |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q SECOND PLY |
| Cross-Sectional Shape Style | ROUND |
| Connection Style | ROUND BOTH ENDS |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q FIRST PLY |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q REINFORCING CORD |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Operating Pressure | 5.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Material | STEEL CORROSION RESISTING REINFORCING WIRE |
| Measuring Method and Length | 24.000 INCHES NOMINAL OVERALL IN |
| End Inside Diameter | 1.750 INCHES NOMINAL BOTH ENDS IN |
| End Overall Length | 1.500 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 1.750 INCHES NOMINAL FIRST END IN |
| Connection Type | SOFT BOTH ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3-1664-14-96-6 PRIMARY | Arrowhead Products Corp (USA) |
| 3-1664 | Arrowhead Products Corp (USA) |
| 8B783057-15 PRIMARY | Hiller Aircraft Corporation (USA) |
| 8B783-057 | Hiller Aircraft Corporation (USA) |
NSN 4720-00-217-6819 is a Hose,air Duct, manufactured by Arrowhead Products Corp, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-00-217-6819 has 4 cross-referenced part numbers: 3-1664-14-96-6 (Arrowhead Products Corp), 3-1664 (Arrowhead Products Corp), 8B783057-15 (Hiller Aircraft Corporation), 8B783-057 (Hiller Aircraft Corporation).
There are 12 known substitutes for 4720-00-217-6819: 5940-00-107-1481, 5110-00-156-0063, 4720-00-217-6815 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3-1664-14-96-6: Material: FIBERGLASS AND RUBBER SILICONE CLASS Q SECOND PLY; Cross-Sectional Shape Style: ROUND; Connection Style: ROUND BOTH ENDS; Material: FIBERGLASS AND RUBBER SILICONE CLASS Q FIRST PLY. 13 total characteristics are documented in the Federal Logistics Information System.