The Hose,air Duct, cataloged under National Stock Number 4720-01-648-4054, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Contitech Usa, Inc Dba Veyance Technologies. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-648-4054 |
| Primary Part Number | SPIRAFLEX DUCTING 3.00IN |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Contitech Usa, Inc Dba Veyance Technologies |
| Status | ACTIVE |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 3.400 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 3.000 INCHES NOMINAL BOTH ENDS IN |
| Material | PLASTIC POLYVINYL REINFORCING WIRE |
| Material | PLASTIC POLYVINYL SINGLE PLY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5643K14 | Mcmaster-Carr Supply Co (USA) |
| SPIRAFLEX DUCTING 3.00IN PRIMARY | Contitech Usa, Inc Dba Veyance Technologies (USA) |
NSN 4720-01-648-4054 is a Hose,air Duct, manufactured by Contitech Usa, Inc Dba Veyance Technologies, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-648-4054 has 2 manufacturer part numbers on file: 5643K14 (Mcmaster-Carr Supply Co), SPIRAFLEX DUCTING 3.00IN (Contitech Usa, Inc Dba Veyance Technologies).
Key specifications for SPIRAFLEX DUCTING 3.00IN: Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED; Cross-Sectional Shape Style: ROUND; Outside Diameter: 3.400 INCHES NOMINAL BOTH ENDS IN; Inside Diameter: 3.000 INCHES NOMINAL BOTH ENDS IN. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.