The Hose,air Duct, cataloged under National Stock Number 4720-01-243-4874, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Flexfab Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4720-01-243-4874 |
| Primary Part Number | 121017-2 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Flexfab Llc |
| Status | ACTIVE |
| Measuring Method and Length | 96.000 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 |
| Features Provided | STOWAGE DEVICE |
| Inside Diameter | 12.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 3.000 INCHES NOMINAL FIRST END IN |
| Material | RUBBER 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 |
|---|---|
| 121017-2 PRIMARY | Flexfab Llc (USA) |
| CRA3006-0002 | Flexfab Llc (USA) |
| Reference | Meaning |
|---|---|
| CRA3006 | D/9 Drawing number reference only Flexfab Llc |
NSN 4720-01-243-4874 is a Hose,air Duct, manufactured by Flexfab Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-243-4874 has 2 manufacturer part numbers on file: 121017-2 (Flexfab Llc), CRA3006-0002 (Flexfab Llc).
Key specifications for 121017-2: Measuring Method and Length: 96.000 INCHES NOMINAL OVERALL IN; Connection Style: ROUND FIRST END; Connection Type: SOFT FIRST END; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED. 9 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.