The Hose,air Duct, cataloged under National Stock Number 4720-01-446-9989, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4720-01-446-9989 |
| Primary Part Number | 95011715-003 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems |
| Status | ACTIVE |
| Measuring Method and Length | 2.600 INCHES NOMINAL OVERALL IN |
| Connection Type | PLAIN BOTH ENDS |
| Style Designator | SLEEVE SECTION |
| Material Document and Classification | MIL-R-6855,CLASS 4,GRADE 40,TYPE A MIL SPEC SINGLE MATERIAL RESPONSE ALL PLIES |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.080 INCHES NOMINAL IN |
| Features Provided | OIL RESISTANT AND OZONE RESISTANT |
| Inside Diameter | 3.000 INCHES NOMINAL FIRST END IN |
| Material | RUBBER SYNTHETIC 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 |
|---|---|
| 95011715-003 PRIMARY | L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems (USA) |
| Reference | Meaning |
|---|---|
| 95011715 | D/9 Drawing number reference only L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems |
NSN 4720-01-446-9989 is a Hose,air Duct, manufactured by L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-446-9989 has 1 manufacturer part number on file: 95011715-003 (L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-447-0064, 4720-01-447-1869. Verify interchangeability with system specifications before substitution.
Key specifications for 95011715-003: Measuring Method and Length: 2.600 INCHES NOMINAL OVERALL IN; Connection Type: PLAIN BOTH ENDS; Style Designator: SLEEVE SECTION; Material Document and Classification: MIL-R-6855,CLASS 4,GRADE 40,TYPE A MIL SPEC SINGLE MATERIAL RESPONSE ALL PLIES. 9 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.