The Hose,air Duct, cataloged under National Stock Number 4720-01-419-0577, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Herbert Cooper Co Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-419-0577 |
| Primary Part Number | HC308-14-14-35 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Herbert Cooper Co Inc |
| Status | ACTIVE |
| Measuring Method and Length | 35.000 INCHES NOMINAL OVERALL IN |
| Connection Style | ROUND BOTH ENDS |
| Connection Type | SOFT BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE REINFORCING WIRE |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.125 INCHES NOMINAL IN |
| Inside Diameter | 0.875 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.000 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 0.875 INCHES NOMINAL BOTH ENDS IN |
| Material | STEEL CORROSION RESISTING REINFORCING WIRE |
| Material | RUBBER BUTYL 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 |
|---|---|
| HC308-14-14-35 PRIMARY | Herbert Cooper Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 100B1379-35 | 5/9 Secondary reference Carleton Life Support Technologiesinc |
NSN 4720-01-419-0577 is a Hose,air Duct, manufactured by Herbert Cooper Co Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-419-0577 has 1 manufacturer part number on file: HC308-14-14-35 (Herbert Cooper Co Inc).
Key specifications for HC308-14-14-35: Measuring Method and Length: 35.000 INCHES NOMINAL OVERALL IN; Connection Style: ROUND BOTH ENDS; Connection Type: SOFT BOTH ENDS; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED. 12 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.