The Hose,air Duct, cataloged under National Stock Number 4720-01-478-4233, 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 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-478-4233 |
| Primary Part Number | M62028224448174 |
| 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 | 174.000 INCHES NOMINAL OVERALL IN |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Material Document and Classification | ASTM D 380 NATIONAL SPEC SINGLE MATERIAL RESPONSE ALL PLIES |
| Cross-Sectional Shape Style | ROUND |
| Operating Pressure | 16.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Features Provided | OZONE RESISTANT AND FUNGUS RESISTANT TREATMENT AND ABRASION RESISTANT |
| Specification/standard Data | 19207-MIL-PRF-62028C,CLASS 2,TYPE II GOVERNMENT SPECIFICATION |
| Inside Diameter | 2.750 INCHES NOMINAL FIRST END IN |
| Material | RUBBER 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 |
|---|---|
| M62028224448174 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4720-01-478-4233 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 4720-01-478-4233 has 1 manufacturer part number on file: M62028224448174 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for M62028224448174: Measuring Method and Length: 174.000 INCHES NOMINAL OVERALL IN; Connection Type: PLAIN BOTH ENDS; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED; Material Document and Classification: ASTM D 380 NATIONAL SPEC SINGLE MATERIAL RESPONSE ALL PLIES. 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.