The Hose,air Duct, cataloged under National Stock Number 4720-01-645-7667, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-645-7667 |
| Primary Part Number | 16-460-3000 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hbd Industries, Inc Div Hbd/thermoid Inc |
| Status | ACTIVE |
| Measuring Method and Length | 25.0 FEET NOMINAL EXCLUDING END FITTINGS FT |
| Style Designator | FULLY CONVOLUTED |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 3.2 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 3.0 INCHES NOMINAL BOTH ENDS IN |
| Material | FIBERGLASS 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 |
|---|---|
| 16-460-3000 PRIMARY | Hbd Industries, Inc Div Hbd/thermoid Inc (USA) |
| Reference | Meaning |
|---|---|
| 16-460-3000 | 5/9 Secondary reference Shields Rubber Co |
| 16-460-3000 | 5/2 Secondary reference U.S. Government activity |
NSN 4720-01-645-7667 is a Hose,air Duct, manufactured by Hbd Industries, Inc Div Hbd/thermoid Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-645-7667 has 1 manufacturer part number on file: 16-460-3000 (Hbd Industries, Inc Div Hbd/thermoid Inc).
Key specifications for 16-460-3000: Measuring Method and Length: 25.0 FEET NOMINAL EXCLUDING END FITTINGS FT; Style Designator: FULLY CONVOLUTED; Cross-Sectional Shape Style: ROUND; Outside Diameter: 3.2 INCHES NOMINAL BOTH ENDS IN. 6 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.