The Hose,air Duct, cataloged under National Stock Number 4720-01-338-2233, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-338-2233 |
| Primary Part Number | L5351901-011 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Measuring Method and Length | 5.000 INCHES NOMINAL OVERALL IN |
| Cross-Sectional Shape Style | ROUND |
| Inside Diameter | 2.000 INCHES NOMINAL FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| L5351901-011 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| L5351901 | D/9 Drawing number reference only The Boeing Company Div Legacy Am&m |
NSN 4720-01-338-2233 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 4720-01-338-2233 has 1 manufacturer part number on file: L5351901-011 (The Boeing Company Div Legacy Am&m).
Key specifications for L5351901-011: Measuring Method and Length: 5.000 INCHES NOMINAL OVERALL IN; Cross-Sectional Shape Style: ROUND; Inside Diameter: 2.000 INCHES NOMINAL FIRST END IN; End Item Identification: B-1B AIRCRAFT. 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.
NSN 4720-01-338-2233 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.