The Hose Assembly,air Duct, cataloged under National Stock Number 4720-00-759-3300, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hbd Industries, Inc Div Hbd/thermoid Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4720-00-759-3300 |
| Primary Part Number | AD315-35 |
| Item Name | Hose Assembly,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hbd Industries, Inc Div Hbd/thermoid Inc |
| Status | ACTIVE |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 30.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Material | FIBERGLASS AND PLASTIC TETRAFLUOROETHYLENE SINGLE PLY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 32-87315-43 | The Boeing Company Div Defense (USA) |
| AD315-35 PRIMARY | Hbd Industries, Inc Div Hbd/thermoid Inc (USA) |
| AD315-43 PRIMARY | Hbd Industries, Inc Div Hbd/thermoid Inc (USA) |
| Reference | Meaning |
|---|---|
| AD315-43 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4720-00-759-3300 is a Hose Assembly,air Duct, manufactured by Hbd Industries, Inc Div Hbd/thermoid Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-759-3300 has 3 manufacturer part numbers on file: 32-87315-43 (The Boeing Company Div Defense), AD315-35 (Hbd Industries, Inc Div Hbd/thermoid Inc), AD315-43 (Hbd Industries, Inc Div Hbd/thermoid Inc).
Key specifications for AD315-35: Cross-Sectional Shape Style: ROUND; Operating Pressure: 30.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Material: FIBERGLASS AND PLASTIC TETRAFLUOROETHYLENE SINGLE PLY. 3 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.
NSN 4720-00-759-3300 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.