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NSN 4720-01-428-9851Government record, cited
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Hose, Air Duct4720-01-428-9851

NSN 4720-01-428-9851 · NIIN 014289851 · Part number IT-5037H10-52A
Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc · FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 26831
Government record, cited
NSN 4720-01-428-9851 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-428-9851. Manufacturer of record part number: IT-5037H10-52A.
Also searched as  4720-01-428-9851 · 4720014289851 · NIIN 014289851 · 01-428-9851 · FSC 4720 Hose and Flexible Tubing · CAGE 26831 · IT-5037H10-52A · IT-5037 · 7D0105H10-52A · 7D0105 · DOU10732005206
Nearby stock numbers  ·
END VIEW PIPE CROSS SECTION
4720-01-428-9851 — Hose and Flexible Tubing
Features
  • Hose,air Duct — FSC 4720
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc
Identification
  • NSN: 4720-01-428-9851
  • NIIN: 014289851
  • FSC: 4720 — Hose and Flexible Tubing
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: IT-5037H10-52A
  • Manufacturer: Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-01-428-9851, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts
Item NameHose,air Duct
FSC / FSG4720 — Hose and Flexible Tubing (FSG 47)
ManufacturersIndustrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc (CAGE 26831); Flexfab Llc (CAGE 16632)
Technical Specifications
ParameterValue
NSN4720-01-428-9851
Primary Part NumberIT-5037H10-52A
Item NameHose,air Duct
FSC / FSG4720 / 47 — Hose and Flexible Tubing
ManufacturerIndustrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4720-01-428-9857DOU107320004606 POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)Flexfab Llc
4720-01-434-5406DOU107316007606 POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)Flexfab Llc
4720-01-434-55017D0105H6-43B POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)The Boeing Company
4720-01-434-55087D0105H2A-21B POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)The Boeing Company
4720-01-437-89527D0105H18-56B POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)The Boeing Company
4720-01-437-89577D0105H18-20B POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)The Boeing Company
Cross-Reference Index
Part NumberManufacturer
IT-5037H10-52A PRIMARY Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc (USA)
DOU10732005206 PRIMARY Flexfab Llc (USA)
Reference documents
ReferenceMeaning
IT-5037 D/9 Drawing number reference only
Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc
7D0105H10-52A 5/2 Secondary reference
U.S. Government activity
7D0105 D/9 Drawing number reference only
U.S. Government activity
Related Parts
4720-01-428-9857POSSIBLE MATCH
HOSE,AIR DUCT
DOU107320004606
4720-01-434-5406POSSIBLE MATCH
HOSE,AIR DUCT
DOU107316007606
4720-01-434-5501POSSIBLE MATCH
HOSE,AIR DUCT
7D0105H6-43B
4720-01-434-5508POSSIBLE MATCH
HOSE,AIR DUCT
7D0105H2A-21B
4720-01-437-8952POSSIBLE MATCH
HOSE,AIR DUCT
7D0105H18-56B
4720-01-437-8957POSSIBLE MATCH
HOSE,AIR DUCT
7D0105H18-20B

Frequently Asked Questions

What is NSN 4720-01-428-9851?

NSN 4720-01-428-9851 is a Hose,air Duct, manufactured by Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.

What part numbers are listed for NSN 4720-01-428-9851?

NSN 4720-01-428-9851 has 2 manufacturer part numbers on file: IT-5037H10-52A (Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc), DOU10732005206 (Flexfab Llc).

What NSN replaces 4720-01-428-9851?

6 possible matches (shared part number, not a government interchangeability claim): 4720-01-428-9857, 4720-01-434-5406, 4720-01-434-5501. Verify interchangeability with system specifications before substitution.

Is NSN 4720-01-428-9851 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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