The Hose,air Duct, cataloged under National Stock Number 4720-01-605-9875, 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. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Manufacturers | The Boeing Company Div Legacy Am&m (CAGE 43999); Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc (CAGE 14711) |
| Parameter | Value |
|---|---|
| NSN | 4720-01-605-9875 |
| Primary Part Number | LE271-0106-0618 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| 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 |
|---|---|
| LE271-0106-0618 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| 21A18-06C30-6 PRIMARY | Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc (USA) |
| Reference | Meaning |
|---|---|
| LE271-0106 | 7/1 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
NSN 4720-01-605-9875 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 4720-01-605-9875 has 2 manufacturer part numbers on file: LE271-0106-0618 (The Boeing Company Div Legacy Am&m), 21A18-06C30-6 (Rsa Engineered Products, Llc Dba Rsa Engineered Products Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4720-01-627-8031, 4720-01-628-2643. Verify interchangeability with system specifications before substitution.
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.