The Hose,air Duct, cataloged under National Stock Number 4720-00-448-5233, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Flexible Technologies Inc. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Manufacturers | Flexible Technologies Inc (CAGE 30299); Royal Engineered Composites, Inc. (CAGE 16357); Hbd Industries, Inc Div Hbd/thermoid Inc (CAGE 21868); Kirkhill, Inc. Dba Kirkhill Inc (CAGE 75345) |
| Parameter | Value |
|---|---|
| NSN | 4720-00-448-5233 |
| Primary Part Number | FT-2120-A-24-10 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Flexible Technologies Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| FT-2120-A-24-10 PRIMARY | Flexible Technologies Inc (USA) |
| SF25-153A24-10 PRIMARY | Royal Engineered Composites, Inc. (USA) |
| AD777A24-10 PRIMARY | Hbd Industries, Inc Div Hbd/thermoid Inc (USA) |
| D4410A24-10 PRIMARY | Kirkhill, Inc. Dba Kirkhill Inc (USA) |
| Reference | Meaning |
|---|---|
| BE923A24-10 | 5/9 Secondary reference Bemco, Inc |
| LS35031-24-10 | 5/2 Secondary reference U.S. Government activity |
| FT2120-24-10 | 5/9 Secondary reference Automation Industries Inc Flexible Tubing Div |
| FT-2120 | D/9 Drawing number reference only Flexible Technologies Inc |
| LS35031 | D/9 Drawing number reference only U.S. Government activity |
| STSPH200A24-10 | 5/2 Secondary reference U.S. Government activity |
| LS1611-24-10 | 5/2 Secondary reference U.S. Government activity |
| AD777 | D/9 Drawing number reference only Hbd Industries, Inc Div Hbd/thermoid Inc |
NSN 4720-00-448-5233 is a Hose,air Duct, manufactured by Flexible Technologies Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-448-5233 has 4 manufacturer part numbers on file: FT-2120-A-24-10 (Flexible Technologies Inc), SF25-153A24-10 (Royal Engineered Composites, Inc.), AD777A24-10 (Hbd Industries, Inc Div Hbd/thermoid Inc), D4410A24-10 (Kirkhill, Inc. Dba Kirkhill Inc).
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.