The Hose,air Duct, cataloged under National Stock Number 4720-01-281-5219, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4720-01-281-5219 |
| Primary Part Number | AD1108-7-20 |
| 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 | 10.000 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 |
| Wall Thickness | 0.040 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN |
| Operating Pressure | 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Inside Diameter | 1.750 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.550 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 |
|---|---|
| FT2926-7-20 | Flexible Technologies Inc (USA) |
| AD1108-7-20 PRIMARY | Hbd Industries, Inc Div Hbd/thermoid Inc (USA) |
| GH510A7-20 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| GH510A | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 4720-01-281-5219 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 4720-01-281-5219 has 3 manufacturer part numbers on file: FT2926-7-20 (Flexible Technologies Inc), AD1108-7-20 (Hbd Industries, Inc Div Hbd/thermoid Inc), GH510A7-20 (Northrop Grumman Systems Corporation).
Key specifications for AD1108-7-20: Measuring Method and Length: 10.000 INCHES NOMINAL OVERALL IN; Connection Style: ROUND FIRST END; Connection Type: SOFT FIRST END; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED. 10 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.