PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40566Hose,air Duct

Hdt Expeditionary Systems Inc · NSN 4720-01-539-7189 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-539-7189 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-539-7189. Primary manufacturer part number: 40566.
Features
  • Hose,air Duct — FSC 4720
  • 1 verified cross-reference
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-01-539-7189, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHose,air Duct
FSC / FSG4720 — No Item Name Available (FSG 47)
ManufacturersHdt Expeditionary Systems Inc (CAGE 92878)
Technical Specifications
ParameterValue
NSN4720-01-539-7189
Primary Part Number40566
Item NameHose,air Duct
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5815-00-054-2746 INTERCHANGEABLE
Teletypewriter Subassembly
3110-00-100-3529 INTERCHANGEABLE
Cone and Rollers,tapered Roller
3455-00-189-916611900 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
2910-00-215-5045 INTERCHANGEABLE
Parts Kit,engine Fuel Pump
5330-00-599-5254 INTERCHANGEABLE
Seal,plain Encased
5905-00-840-214140566 INTERCHANGEABLE
Resistor,variable,wire Wound,non
General Dynamics Motion Control Llc
5120-01-486-2131J4056-6 INTERCHANGEABLE
Jaw,mechanical Puller
The Stanley Works Dba Stanley Proto
Cross-Reference Index
Part NumberManufacturer
40566 PRIMARY Hdt Expeditionary Systems Inc (USA)
Related Parts
5815-00-054-2746INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
3110-00-100-3529INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3455-00-189-9166INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11900
2910-00-215-5045INTERCHANGEABLE
PARTS KIT,ENGINE FUEL PUMP
5330-00-599-5254INTERCHANGEABLE
SEAL,PLAIN ENCASED
5905-00-840-2141INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
40566
5120-01-486-2131INTERCHANGEABLE
JAW,MECHANICAL PULLER
J4056-6

Frequently Asked Questions

What is NSN 4720-01-539-7189?

NSN 4720-01-539-7189 is a Hose,air Duct, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-539-7189?

NSN 4720-01-539-7189 has 1 cross-referenced part number: 40566 (Hdt Expeditionary Systems Inc).

What NSN replaces 4720-01-539-7189?

There are 7 known substitutes for 4720-01-539-7189: 5815-00-054-2746, 3110-00-100-3529, 3455-00-189-9166 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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