PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

202188Hose,air Duct

Triumph Thermal Systems - Maryland, Inc. · NSN 4720-00-411-9553 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-411-9553 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-411-9553. Primary manufacturer part number: 202188.
Features
  • Hose,air Duct — FSC 4720
  • Inside Diameter: 6.000 INCHES NOMINAL FIRST END IN
  • Wall Thickness: 0.048 INCHES NOMINAL IN
  • Connection Type: PLAIN BOTH ENDS
  • Style Designator: SLEEVE SECTION
  • Measuring Method and Length: 3.000 INCHES NOMINAL OVERALL IN
  • Material: FIBERGLASS SINGLE PLY
  • Operating Pressure: 1.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Fiberglass Single Ply construction
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-00-411-9553, 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 Triumph Thermal Systems - Maryland, Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-00-411-9553
Primary Part Number202188
Item NameHose,air Duct
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerTriumph Thermal Systems - Maryland, Inc.
StatusACTIVE
Inside Diameter6.000 INCHES NOMINAL FIRST END IN
Wall Thickness0.048 INCHES NOMINAL IN
Connection TypePLAIN BOTH ENDS
Style DesignatorSLEEVE SECTION
Measuring Method and Length3.000 INCHES NOMINAL OVERALL IN
MaterialFIBERGLASS SINGLE PLY
Operating Pressure1.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5935-00-079-5458114-242-002 INTERCHANGEABLE
Connector,plug,electrical
Northrop Grumman Systems Corporation
3120-00-350-44928380683 INTERCHANGEABLE
Bearing,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
202188 PRIMARY Triumph Thermal Systems - Maryland, Inc. (USA)
KNF5-1 PRIMARY Kirkhill, Inc. Dba Kirkhill Inc (USA)
Related Parts
5935-00-079-5458INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
114-242-002
3120-00-350-4492INTERCHANGEABLE
BEARING,SLEEVE
8380683

Frequently Asked Questions

What is NSN 4720-00-411-9553?

NSN 4720-00-411-9553 is a Hose,air Duct, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-411-9553?

NSN 4720-00-411-9553 has 2 cross-referenced part numbers: 202188 (Triumph Thermal Systems - Maryland, Inc.), KNF5-1 (Kirkhill, Inc. Dba Kirkhill Inc).

What NSN replaces 4720-00-411-9553?

There are 2 known substitutes for 4720-00-411-9553: 5935-00-079-5458, 3120-00-350-4492. Verify interchangeability with system specifications before substitution.

What are the specifications of 202188?

Key specifications for 202188: Inside Diameter: 6.000 INCHES NOMINAL FIRST END IN; Wall Thickness: 0.048 INCHES NOMINAL IN; Connection Type: PLAIN BOTH ENDS; Style Designator: SLEEVE SECTION. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com