The Hose,air Duct, cataloged under National Stock Number 4720-00-014-7064, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-00-014-7064 |
| Primary Part Number | 10939570 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Measuring Method and Length | 31.000 INCHES NOMINAL OVERALL IN |
| Inside Width | 2.280 INCHES NOMINAL FIRST END IN |
| Inside Length | 3.720 INCHES NOMINAL FIRST END IN |
| Minimum Inside Bending Radius | 1.140 INCHES IN |
| Connection Style | ROUND BOTH ENDS |
| Connection Type | SOFT BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Cross-Sectional Shape Style | OVAL |
| Wall Thickness | 0.100 INCHES NOMINAL IN |
| Operating Pressure | 5.0 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL LBS |
| Features Provided | OZONE RESISTANT |
| Specification/standard Data | 81349-MIL-H-62028 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | 2 TYPE AND 2 CLASS |
| End Overall Length | 1.500 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 3.000 INCHES NOMINAL BOTH ENDS IN |
| Material | FIBERGLASS SECOND PLY |
| Material | FIBERGLASS THIRD PLY |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q FOURTH PLY |
| Material | STEEL AND COPPER FIRST 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 |
|---|---|
| 10939570 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| MIL-H-62028 | 4/1 Identification reference U.S. Government activity |
NSN 4720-00-014-7064 is a Hose,air Duct, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-00-014-7064 has 1 manufacturer part number on file: 10939570 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10939570: Measuring Method and Length: 31.000 INCHES NOMINAL OVERALL IN; Inside Width: 2.280 INCHES NOMINAL FIRST END IN; Inside Length: 3.720 INCHES NOMINAL FIRST END IN; Minimum Inside Bending Radius: 1.140 INCHES IN. 19 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.