The Hose,air Duct, cataloged under National Stock Number 4720-01-100-3776, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is C-Way Industries Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-100-3776 |
| Primary Part Number | 04100155 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | C-Way Industries Inc |
| Status | ACTIVE |
| Measuring Method and Length | 7.000 INCHES NOMINAL OVERALL IN |
| Connection Style | ROUND FIRST END |
| Connection Type | SOFT FIRST END |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.125 INCHES NOMINAL IN |
| Features Provided | STOWAGE DEVICE |
| Inside Diameter | 1.250 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.000 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 1.125 INCHES NOMINAL FIRST END IN |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q 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 |
|---|---|
| 04100155 | C-Way Industries Inc (CAN) |
| 8227165-01 | Flexfab Llc (USA) |
| Reference | Meaning |
|---|---|
| 8227165-01 | 1/2 Source control — Government-approved source U.S. Government activity |
| 8227165-01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4720-01-100-3776 is a Hose,air Duct, manufactured by C-Way Industries Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-100-3776 has 2 manufacturer part numbers on file: 04100155 (C-Way Industries Inc), 8227165-01 (Flexfab Llc).
Key specifications for 04100155: Measuring Method and Length: 7.000 INCHES NOMINAL OVERALL IN; Connection Style: ROUND FIRST END; Connection Type: SOFT FIRST END; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED. 11 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.