The Hose,air Duct, cataloged under National Stock Number 4720-01-479-9592, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-479-9592 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| FSC Application Data | HEAT TRANSFER,MILITARY VEHICLES |
| Measuring Method and Length | 7.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 2.610 INCHES IN |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Material Document and Classification | ASTM D380 NATIONAL SPEC ALL MATERIAL RESPONSES ALL PLIES |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.242 INCHES NOMINAL IN |
| Operating Pressure | 5.0 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL LBS |
| Specification/standard Data | 81349-MIL-PRF-62028C GOVERNMENT SPECIFICATION |
| Inside Diameter | 2.610 INCHES NOMINAL FIRST END IN |
| Material | STEEL REINFORCING WIRE |
| Material | RUBBER OR RUBBER SYNTHETIC COVER |
| Material | RUBBER OR RUBBER SYNTHETIC 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 |
| Reference | Meaning |
|---|---|
| M6202813424607 | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-62028C | 4/1 Identification reference U.S. Government activity |
NSN 4720-01-479-9592 is a Hose,air Duct, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4720-01-480-0043, 4720-01-480-0060, 4720-01-481-5071. Verify interchangeability with system specifications before substitution.
Key specifications for 4720-01-479-9592: FSC Application Data: HEAT TRANSFER,MILITARY VEHICLES; Measuring Method and Length: 7.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 2.610 INCHES IN; Connection Type: PLAIN BOTH ENDS. 14 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.