The Hose Assembly,air Duct, cataloged under National Stock Number 4720-00-167-4871, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Royal Engineered Composites, Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4720-00-167-4871 |
| Primary Part Number | SF24-108 |
| Item Name | Hose Assembly,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Royal Engineered Composites, Inc. |
| Status | ACTIVE |
| Connection Type | COUPLING SECOND END |
| Connection Type | PREFORMED FIRST END |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Coupling Style | PLAIN FLANGE SECOND END |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.050 INCHES NOMINAL IN |
| Inside Diameter | 1.750 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.250 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 1.750 INCHES NOMINAL FIRST END IN |
| 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 |
|---|---|
| SF24-108 PRIMARY | Royal Engineered Composites, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 253559 | 5/2 Secondary reference U.S. Government activity |
NSN 4720-00-167-4871 is a Hose Assembly,air Duct, manufactured by Royal Engineered Composites, Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-167-4871 has 1 manufacturer part number on file: SF24-108 (Royal Engineered Composites, Inc.).
Key specifications for SF24-108: Connection Type: COUPLING SECOND END; Connection Type: PREFORMED FIRST END; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED; Coupling Style: PLAIN FLANGE SECOND END. 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.