The Hose,air Duct, cataloged under National Stock Number 4720-00-268-6451, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4720-00-268-6451 |
| Primary Part Number | 3-1664-18-XR |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Arrowhead Products Corp |
| Status | CANCELLED |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR THIRD PLY |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FIRST PLY |
| Features Provided | OZONE RESISTANT |
| Inside Diameter | 2.250 INCHES NOMINAL FIRST END IN |
| Material | STEEL REINFORCING WIRE |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR SECOND PLY |
| Cross-Sectional Shape Style | ROUND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8AX1-18-528 | Arrowhead Products Corp (USA) |
| 2363 | Gates Corporation (USA) |
| 63SB | Gates Corporation (USA) |
| EN17-7 | Pierce Co Inc the Sub of Avis Industrial Corp (USA) |
| IT-121-9 | Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc (USA) |
| 3-1664-18-XR PRIMARY | Arrowhead Products Corp (USA) |
| 63-SB2 1/4IDX17IN LG | Gates Corporation (USA) |
| 3-1664-18 | Pirelli Armstrong Tire Corp (USA) |
| IT-121-9-576 PRIMARY | Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc (USA) |
| 3-1664-18-528 | Arrowhead Products Corp (USA) |
| EN17-7 | Gates Corporation (USA) |
| 4663-4012 PRIMARY | Gates Corporation (USA) |
| 119970D | Dresser, Llc (USA) |
| 2-02831 | Terex Usa Llc (USA) |
NSN 4720-00-268-6451 is a Hose,air Duct, manufactured by Arrowhead Products Corp, classified under FSC 4720 (No Item Name Available). Status: cancelled.
NSN 4720-00-268-6451 has 14 cross-referenced part numbers: 8AX1-18-528 (Arrowhead Products Corp), 2363 (Gates Corporation), 63SB (Gates Corporation), EN17-7 (Pierce Co Inc the Sub of Avis Industrial Corp), IT-121-9 (Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc) and 9 more.
There are 12 known substitutes for 4720-00-268-6451: 4130-00-106-2019, 5905-00-172-3040, 4720-00-472-1554 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3-1664-18-XR: Material: FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR THIRD PLY; Connection Type: PLAIN BOTH ENDS; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED; Material: FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FIRST PLY. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 4720-00-268-6451 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.