The Hose,air Duct, cataloged under National Stock Number 4720-01-339-0410, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Ilc Dover Lp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-339-0410 |
| Primary Part Number | 243-20071-01 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Ilc Dover Lp |
| Status | ACTIVE |
| Inside Length | 3.000 INCHES NOMINAL FIRST END IN |
| Connection Style | SQUARE BOTH ENDS |
| Connection Type | SOFT FIRST END |
| Style Designator | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS |
| Cross-Sectional Shape Style | ROUND |
| End Inside Width | 0.750 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.875 INCHES NOMINAL FIRST END IN |
| End Overall Length | 0.875 INCHES NOMINAL BOTH ENDS IN |
| Material | RUBBER FIRST PLY |
| Material | RUBBER SYNTHETIC SECOND PLY |
| Material | STEEL THIRD 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 |
|---|---|
| 243-20071-01 | Allied Materials & Equipment Co Inc Dba Allied Materials & Equipment Co Inc (USA) |
| 243-20071-01 PRIMARY | Ilc Dover Lp (USA) |
| Reference | Meaning |
|---|---|
| 4720PL1751008 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4720-01-339-0410 is a Hose,air Duct, manufactured by Ilc Dover Lp, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-339-0410 has 2 manufacturer part numbers on file: 243-20071-01 (Allied Materials & Equipment Co Inc Dba Allied Materials & Equipment Co Inc), 243-20071-01 (Ilc Dover Lp).
Key specifications for 243-20071-01: Inside Length: 3.000 INCHES NOMINAL FIRST END IN; Connection Style: SQUARE BOTH ENDS; Connection Type: SOFT FIRST END; Style Designator: FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS. 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.