The Hose,air Duct, cataloged under National Stock Number 4720-01-269-9575, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4720-01-269-9575 |
| Primary Part Number | LE271-0074-0002 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Hose Weight | 16.000 OUNCES PER LINEAR FOOT OZ |
| Operating Pressure | 7.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Material | RUBBER SILICONE CLASS Q SINGLE 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 |
|---|---|
| LE271-0074-0002 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| LE271-0074-0002 | Kirkhill, Inc. Dba Kirkhill Inc (USA) |
| D5176-2 PRIMARY | Kirkhill, Inc. Dba Kirkhill Inc (USA) |
| Reference | Meaning |
|---|---|
| LE271-0074 | D/9 Drawing number reference only The Boeing Company Div Legacy Am&m |
NSN 4720-01-269-9575 is a Hose,air Duct, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-269-9575 has 3 manufacturer part numbers on file: LE271-0074-0002 (The Boeing Company Div Legacy Am&m), LE271-0074-0002 (Kirkhill, Inc. Dba Kirkhill Inc), D5176-2 (Kirkhill, Inc. Dba Kirkhill Inc).
Key specifications for LE271-0074-0002: Hose Weight: 16.000 OUNCES PER LINEAR FOOT OZ; Operating Pressure: 7.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Special Features: USED ON THE RIGHT HAND SIDE; Material: RUBBER SILICONE CLASS Q SINGLE PLY. 3 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.