The Hose,air Duct, cataloged under National Stock Number 4720-00-554-9615, 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 16 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 | 4720-00-554-9615 |
| Primary Part Number | 3-1664-8-268-6 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Arrowhead Products Corp |
| Status | ACTIVE |
| Hose Weight | 2.720 OUNCES PER LINEAR FOOT OZ |
| Connection Style | ROUND BOTH ENDS |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR SECOND PLY |
| Connection Type | SOFT BOTH ENDS |
| Minimum Inside Bending Radius | 0.333 INCHES IN |
| Material | STEEL REINFORCING WIRE |
| Measuring Method and Length | 67.000 INCHES NOMINAL OVERALL IN |
| Operating Pressure | 5.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| End Overall Length | 1.500 INCHES NOMINAL BOTH ENDS IN |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FIRST PLY |
| Inside Diameter | 1.000 INCHES NOMINAL FIRST END IN |
| Wall Thickness | 0.100 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | ROUND |
| Features Provided | OZONE RESISTANT |
| End Inside Diameter | 1.000 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3-1664 | Arrowhead Products Corp (USA) |
| 8B783057-77 | Hiller Aircraft Corporation (USA) |
| 3-1664-8-268-6 PRIMARY | Arrowhead Products Corp (USA) |
| 8B783057 | Hiller Aircraft Corporation (USA) |
NSN 4720-00-554-9615 is a Hose,air Duct, manufactured by Arrowhead Products Corp, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-00-554-9615 has 4 cross-referenced part numbers: 3-1664 (Arrowhead Products Corp), 8B783057-77 (Hiller Aircraft Corporation), 3-1664-8-268-6 (Arrowhead Products Corp), 8B783057 (Hiller Aircraft Corporation).
There are 12 known substitutes for 4720-00-554-9615: 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 3-1664-8-268-6: Hose Weight: 2.720 OUNCES PER LINEAR FOOT OZ; Connection Style: ROUND BOTH ENDS; Material: FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR SECOND PLY; Connection Type: SOFT BOTH ENDS. 16 total characteristics are documented in the Federal Logistics Information System.