The Hose,air Duct, cataloged under National Stock Number 4720-00-217-6827, 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 Hiller Aircraft Corporation. 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 | 4720-00-217-6827 |
| Primary Part Number | 8B783057-37 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Hiller Aircraft Corporation |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING SECOND PLY |
| End Overall Length | 1.500 INCHES NOMINAL FIRST END IN |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q FIRST PLY |
| Connection Style | ROUND FIRST END |
| End Inside Diameter | 1.000 INCHES NOMINAL FIRST END IN |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q REINFORCING CORD |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Measuring Method and Length | 15.000 INCHES NOMINAL OVERALL IN |
| Operating Pressure | 5.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q THIRD PLY |
| Cross-Sectional Shape Style | ROUND |
| Inside Diameter | 1.000 INCHES NOMINAL FIRST END IN |
| Connection Type | SOFT FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8B783057-37 PRIMARY | Hiller Aircraft Corporation (USA) |
| 3-1664-8-52-6 PRIMARY | Arrowhead Products Corp (USA) |
| 8B783057 | Hiller Aircraft Corporation (USA) |
| S3-1664 | Arrowhead Products Corp (USA) |
NSN 4720-00-217-6827 is a Hose,air Duct, manufactured by Hiller Aircraft Corporation, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-00-217-6827 has 4 cross-referenced part numbers: 8B783057-37 (Hiller Aircraft Corporation), 3-1664-8-52-6 (Arrowhead Products Corp), 8B783057 (Hiller Aircraft Corporation), S3-1664 (Arrowhead Products Corp).
There are 12 known substitutes for 4720-00-217-6827: 4720-00-217-6815, 4720-00-217-6816, 4720-00-217-6817 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8B783057-37: Material: STEEL CORROSION RESISTING SECOND PLY; End Overall Length: 1.500 INCHES NOMINAL FIRST END IN; Material: FIBERGLASS AND RUBBER SILICONE CLASS Q FIRST PLY; Connection Style: ROUND FIRST END. 13 total characteristics are documented in the Federal Logistics Information System.