The Hose,air Duct, cataloged under National Stock Number 4720-01-218-3448, 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 Bemco, Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-218-3448 |
| Primary Part Number | BE403-504 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | Bemco, Inc |
| Status | ACTIVE |
| End Inside Diameter | 8.500 INCHES NOMINAL FIRST END IN |
| Features Provided | OZONE RESISTANT |
| Connection Style | ROUND FIRST END |
| Inside Diameter | 8.500 INCHES NOMINAL FIRST END IN |
| Measuring Method and Length | 3.650 INCHES NOMINAL OVERALL IN |
| End Overall Length | 0.250 INCHES NOMINAL FIRST END IN |
| Connection Type | SOFT FIRST END |
| Wall Thickness | 0.060 INCHES NOMINAL IN |
| Style Designator | FULLY CONVOLUTED |
| Cross-Sectional Shape Style | ROUND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BE403-504 PRIMARY | Bemco, Inc (USA) |
| 10-20353-504 PRIMARY | The Boeing Company Div Defense (USA) |
| 10-20353 | The Boeing Company Div Defense (USA) |
NSN 4720-01-218-3448 is a Hose,air Duct, manufactured by Bemco, Inc, classified under FSC 4720 (No Item Name Available). Status: active.
NSN 4720-01-218-3448 has 3 cross-referenced part numbers: BE403-504 (Bemco, Inc), 10-20353-504 (The Boeing Company Div Defense), 10-20353 (The Boeing Company Div Defense).
There are 7 known substitutes for 4720-01-218-3448: 4720-00-809-0594, 4720-00-809-0596, 4720-00-810-8686 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for BE403-504: End Inside Diameter: 8.500 INCHES NOMINAL FIRST END IN; Features Provided: OZONE RESISTANT; Connection Style: ROUND FIRST END; Inside Diameter: 8.500 INCHES NOMINAL FIRST END IN. 10 total characteristics are documented in the Federal Logistics Information System.