The Hose,air Duct, cataloged under National Stock Number 4720-01-448-1655, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Am General Llc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-448-1655 |
| Primary Part Number | 12339265-1 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Am General Llc |
| Status | ACTIVE |
| Measuring Method and Length | 38.000 INCHES NOMINAL OVERALL IN |
| Minimum Inside Bending Radius | 1.000 INCHES IN |
| Connection Style | ROUND BOTH ENDS |
| Connection Type | PREFORMED BOTH ENDS |
| Style Designator | FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.085 INCHES NOMINAL IN |
| Inside Diameter | 2.000 INCHES NOMINAL FIRST END IN |
| End Overall Length | 0.400 INCHES NOMINAL BOTH ENDS IN |
| End Inside Diameter | 2.000 INCHES NOMINAL BOTH ENDS IN |
| Material | STEEL REINFORCING WIRE |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q FIRST PLY |
| Material | FIBERGLASS AND RUBBER SILICONE CLASS Q COVER |
| 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 |
|---|---|
| 12339265-1 PRIMARY | Am General Llc (USA) |
| 12339265-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| SF5589035 | 5/9 Secondary reference Am General Llc |
| 12339265 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4720-01-448-1655 is a Hose,air Duct, manufactured by Am General Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-448-1655 has 2 manufacturer part numbers on file: 12339265-1 (Am General Llc), 12339265-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-451-0894. Verify interchangeability with system specifications before substitution.
Key specifications for 12339265-1: Measuring Method and Length: 38.000 INCHES NOMINAL OVERALL IN; Minimum Inside Bending Radius: 1.000 INCHES IN; Connection Style: ROUND BOTH ENDS; Connection Type: PREFORMED BOTH ENDS. 13 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.