The Hose,air Duct, cataloged under National Stock Number 4720-00-540-1843, 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 The Boeing Company Div Legacy Am&m. Government technical data includes 7 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4720-00-540-1843 |
| Primary Part Number | 8C7A4 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — No Item Name Available |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | CANCELLED |
| Features Provided | OZONE RESISTANT |
| Cross-Sectional Shape Style | ROUND |
| Style Designator | SLEEVE SECTION |
| Inside Diameter | 1.000 INCHES NOMINAL FIRST END IN |
| Connection Type | PLAIN BOTH ENDS |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR SECOND PLY |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR FIRST PLY |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 4720-00-540-1843 is a Hose,air Duct, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 4720 (No Item Name Available). Status: cancelled.
NSN 4720-00-540-1843 has 3 cross-referenced part numbers: 8C7A4 (Flexfab Llc), 8C7A4 (The Boeing Company Div Legacy Am&m), 8C7 (The Boeing Company Div Legacy Am&m).
There is 1 known substitute for 4720-00-540-1843: 5910-00-578-8611. Verify interchangeability with system specifications before substitution.
Key specifications for 8C7A4: Features Provided: OZONE RESISTANT; Cross-Sectional Shape Style: ROUND; Style Designator: SLEEVE SECTION; Inside Diameter: 1.000 INCHES NOMINAL FIRST END IN. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 4720-00-540-1843 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.