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NSN 4720-01-457-0339Government record, cited
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Hose, Air Duct4720-01-457-0339

NSN 4720-01-457-0339 · NIIN 014570339 · Part number B02561
Itw Gse Inc. · FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 0SMN2
Government record, cited
NSN 4720-01-457-0339 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-457-0339. Manufacturer of record part number: B02561.
Also searched as  4720-01-457-0339 · 4720014570339 · NIIN 014570339 · 01-457-0339 · FSC 4720 Hose and Flexible Tubing · CAGE 0SMN2 · B02561 · FLX1501-0031
Nearby stock numbers  ·
END VIEW PIPE CROSS SECTION
4720-01-457-0339 — Hose and Flexible Tubing
Features
  • Hose,air Duct — FSC 4720
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Itw Gse Inc.
Identification
  • NSN: 4720-01-457-0339
  • NIIN: 014570339
  • FSC: 4720 — Hose and Flexible Tubing
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: B02561
  • Manufacturer: Itw Gse Inc.
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-01-457-0339, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Itw Gse Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts
Item NameHose,air Duct
FSC / FSG4720 — Hose and Flexible Tubing (FSG 47)
ManufacturersItw Gse Inc. (CAGE 0SMN2); Flexfab Llc (CAGE 16632)
Technical Specifications
ParameterValue
NSN4720-01-457-0339
Primary Part NumberB02561
Item NameHose,air Duct
FSC / FSG4720 / 47 — Hose and Flexible Tubing
ManufacturerItw Gse Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
B02561 PRIMARY Itw Gse Inc. (USA)
FLX1501-0031 Flexfab Llc (USA)
Reference documents
ReferenceMeaning
B02561 3/9 Design control — primary reference
Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
No interchangeability data on file.
Other items in FSC 4720 — Hose and Flexible Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4720-00-000-0080
HOSE ASSEMBLY,NONMETALLIC
4720-00-000-0081
HOSE,NONMETALLIC
4720-00-000-0084
HOSE,PREFORMED
4720-00-000-0724
4720-00-000-0724 · Item name not on file
4720-00-001-0014
HOSE ASSEMBLY,NONMETALLIC
4720-00-001-0015
4720-00-001-0015 · Item name not on file
4720-00-001-0023
HOSE ASSEMBLY,NONMETALLIC
4720-00-001-0025
4720-00-001-0025 · Item name not on file
Related Parts in Pipe, Tubing, Hose, and Fittings
4720-00-000-0080
HOSE ASSEMBLY,NONMETALLIC
4720-00-000-0081
HOSE,NONMETALLIC
4720-00-000-0084
HOSE,PREFORMED
L60052
4720-00-000-0724
4720-00-000-0724 · Item name not on file
4720-00-001-0014
HOSE ASSEMBLY,NONMETALLIC
4720-00-001-0015
4720-00-001-0015 · Item name not on file
4720-00-001-0023
HOSE ASSEMBLY,NONMETALLIC
4720-00-001-0025
4720-00-001-0025 · Item name not on file

Frequently Asked Questions

What is NSN 4720-01-457-0339?

NSN 4720-01-457-0339 is a Hose,air Duct, manufactured by Itw Gse Inc., classified under FSC 4720, Hose and Flexible Tubing. Status: active.

What part numbers are listed for NSN 4720-01-457-0339?

NSN 4720-01-457-0339 has 2 manufacturer part numbers on file: B02561 (Itw Gse Inc.), FLX1501-0031 (Flexfab Llc).

Is NSN 4720-01-457-0339 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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