The Hose,nonmetallic, cataloged under National Stock Number 4720-01-421-0297, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Oshkosh Defense Llc. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Manufacturers | Echelon Supply and Service, Inc. (CAGE 61125); Oshkosh Defense Llc (CAGE 75Q65); Marshall of Cambridge Aerospace Limited (CAGE K3784) |
| Parameter | Value |
|---|---|
| NSN | 4720-01-421-0297 |
| Primary Part Number | 2249590 |
| Item Name | Hose,nonmetallic |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Oshkosh Defense Llc |
| 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 |
|---|---|
| A041-2249590 | Echelon Supply and Service, Inc. (USA) |
| 2249590 PRIMARY | Oshkosh Defense Llc (USA) |
| 45A237 | Marshall of Cambridge Aerospace Limited (GBR) |
| Reference | Meaning |
|---|---|
| 45A237 | 3/9 Design control — primary reference C Systems Llc Dba Craig Systems Dba Eastern Technologies |
| 2249590 | 5/9 Secondary reference Oshkosh Corp |
NSN 4720-01-421-0297 is a Hose,nonmetallic, manufactured by Oshkosh Defense Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-421-0297 has 3 manufacturer part numbers on file: A041-2249590 (Echelon Supply and Service, Inc.), 2249590 (Oshkosh Defense Llc), 45A237 (Marshall of Cambridge Aerospace Limited).
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.