PartsTable TECHNICAL DATA SHEET
NSN 4720-01-623-7675Government record, cited

Hose, Air Duct4720-01-623-7675

NSN 4720-01-623-7675 · NIIN 016237675 · Part number LE49951-17
Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc · FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 1ZK21
Government record, cited
NSN 4720-01-623-7675 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-623-7675. Manufacturer of record part number: LE49951-17.
Also searched as  4720-01-623-7675 · 4720016237675 · NIIN 016237675 · 01-623-7675 · FSC 4720 Hose and Flexible Tubing · CAGE 1ZK21 · LE49951-17
Nearby stock numbers  ·
Features
  • Hose,air Duct — FSC 4720
  • Cross-Sectional Shape Style: ROUND
  • Outside Diameter: 5.06 INCHES NOMINAL BOTH ENDS IN
  • 1 manufacturer part number on file
  • Manufacturer of record: Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc
Identification
  • NSN: 4720-01-623-7675
  • NIIN: 016237675
  • FSC: 4720 — Hose and Flexible Tubing
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: LE49951-17
  • Manufacturer: Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-01-623-7675, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc. Government technical data includes 2 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-623-7675
Primary Part NumberLE49951-17
Item NameHose,air Duct
FSC / FSG4720 / 47 — Hose and Flexible Tubing
ManufacturerAllclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc
StatusACTIVE
Cross-Sectional Shape StyleROUND
Outside Diameter5.06 INCHES NOMINAL BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL Q — CCL Item — Commerce Control List
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
LE49951-17 PRIMARY Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc (USA)
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
4720-00-000-0081 · Item name not on file
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

Frequently Asked Questions

What is NSN 4720-01-623-7675?

NSN 4720-01-623-7675 is a Hose,air Duct, manufactured by Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc, classified under FSC 4720, Hose and Flexible Tubing. Status: active.

What part numbers are listed for NSN 4720-01-623-7675?

NSN 4720-01-623-7675 has 1 manufacturer part number on file: LE49951-17 (Allclear Aerospace & Defense, Inc. Dba Allclear Aerospace & Defense Inc).

What are the specifications of LE49951-17?

Key specifications for LE49951-17: Cross-Sectional Shape Style: ROUND; Outside Diameter: 5.06 INCHES NOMINAL BOTH ENDS IN; Special Features: REPLACES P/N LE49951-11 ON A/C 336; Part Name Assigned by Controlling Agency: DUCT, FLEX. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4720-01-623-7675 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.

What is the DEMIL code for NSN 4720-01-623-7675?

NSN 4720-01-623-7675 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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.

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