The Hose,air Duct, cataloged under National Stock Number 4720-00-202-7560, 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 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-202-7560 |
| Primary Part Number | CATS8-40-16 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Hbd Industries, Inc Div Hbd/thermoid Inc |
| Status | ACTIVE |
| Hose Weight | 3.800 OUNCES PER LINEAR FOOT OZ |
| Measuring Method and Length | 10.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 0.666 INCHES 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 | 0.090 INCHES NOMINAL IN |
| Operating Pressure | 10.0 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL LBS |
| Features Provided | OZONE RESISTANT |
| Inside Diameter | 2.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 1.500 INCHES NOMINAL FIRST END IN |
| End Inside Diameter | 2.000 INCHES NOMINAL FIRST END IN |
| Material | STEEL REINFORCING WIRE |
| Material | FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR ALL PLIES |
| 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 |
|---|---|
| CATS8-40-16 PRIMARY | Hbd Industries, Inc Div Hbd/thermoid Inc (USA) |
| 3AX3-16-40-6 PRIMARY | Arrowhead Products Corp (USA) |
| 3206767-16-40-6 PRIMARY | Arrowhead Products Corp (USA) |
| Reference | Meaning |
|---|---|
| 548-119 | 5/9 Secondary reference U.S. Government activity |
NSN 4720-00-202-7560 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 4720-00-202-7560 has 3 manufacturer part numbers on file: CATS8-40-16 (Hbd Industries, Inc Div Hbd/thermoid Inc), 3AX3-16-40-6 (Arrowhead Products Corp), 3206767-16-40-6 (Arrowhead Products Corp).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-491-8329. Verify interchangeability with system specifications before substitution.
Key specifications for CATS8-40-16: Hose Weight: 3.800 OUNCES PER LINEAR FOOT OZ; Measuring Method and Length: 10.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 0.666 INCHES IN; Connection Style: ROUND FIRST END. 15 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.