The Hose,air Duct, cataloged under National Stock Number 4720-00-516-3296, 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 15 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 | 4720-00-516-3296 |
| Primary Part Number | 8B783057-73 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Hiller Aircraft Corporation |
| Status | ACTIVE |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FIRST PLY |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR SECOND PLY |
| Connection Type | SOFT BOTH ENDS |
| End Inside Diameter | 2.500 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 2.500 INCHES NOMINAL FIRST END IN |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Material | STEEL REINFORCING WIRE |
| Operating Pressure | 6.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Measuring Method and Length | 93.500 INCHES NOMINAL OVERALL IN |
| Connection Style | ROUND BOTH ENDS |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR REINFORCING CORD |
| Minimum Inside Bending Radius | 0.833 INCHES IN |
| End Overall Length | 1.500 INCHES NOMINAL BOTH ENDS IN |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.100 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8B783057-73 PRIMARY | Hiller Aircraft Corporation (USA) |
| 3-1664 | Arrowhead Products Corp (USA) |
| 8B783057 | Hiller Aircraft Corporation (USA) |
| 3-1664-20-374-6 PRIMARY | Arrowhead Products Corp (USA) |
NSN 4720-00-516-3296 is a Hose,air Duct, manufactured by Hiller Aircraft Corporation, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-00-516-3296 has 4 cross-referenced part numbers: 8B783057-73 (Hiller Aircraft Corporation), 3-1664 (Arrowhead Products Corp), 8B783057 (Hiller Aircraft Corporation), 3-1664-20-374-6 (Arrowhead Products Corp).
There are 12 known substitutes for 4720-00-516-3296: 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 8B783057-73: Material: FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FIRST PLY; Material: FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR SECOND PLY; Connection Type: SOFT BOTH ENDS; End Inside Diameter: 2.500 INCHES NOMINAL BOTH ENDS IN. 15 total characteristics are documented in the Federal Logistics Information System.