PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18021Duct,generator Cool

Triumph Thermal Systems - Maryland, Inc. · NSN 4720-00-326-0793 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-326-0793 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-326-0793. Primary manufacturer part number: 18021.
Features
  • Duct,generator Cool — FSC 4720
  • 2 verified cross-references
  • Primary manufacturer: Triumph Thermal Systems - Maryland, Inc.
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Duct,generator Cool, cataloged under National Stock Number 4720-00-326-0793, 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.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDuct,generator Cool
FSC / FSG4720 — No Item Name Available (FSG 47)
ManufacturersBotoman Mfg Co Inc (CAGE 55948); Triumph Thermal Systems - Maryland, Inc. (CAGE 01359)
Technical Specifications
ParameterValue
NSN4720-00-326-0793
Primary Part Number18021
Item NameDuct,generator Cool
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerTriumph Thermal Systems - Maryland, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-189-9266 INTERCHANGEABLE
Drill,twist
5935-00-196-653518-16S INTERCHANGEABLE
Connector,receptacle,electrical
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation
1240-00-235-234118021 INTERCHANGEABLE
Holder,optical Element
Gyrus Acmi L.p. Dba Circon-Acmi Div
3455-00-239-5611INVOLUTE 30-6 INTERCHANGEABLE
Cutter,milling,involute Gear
F & D Tool Co Inc
5905-00-259-7656 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5930-00-296-398718021-0 INTERCHANGEABLE
Switch,thermostatic
Kidde-Fenwal, Llc
5330-00-424-5625 INTERCHANGEABLE
Gasket
4330-00-463-378711455071 INTERCHANGEABLE
Filter Element,fluid
Us Army Aviation and Missile Command
5330-00-579-5054383940 INTERCHANGEABLE
Gasket
Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
5950-00-997-2048580R265H01 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
18021 Botoman Mfg Co Inc (USA)
18021 PRIMARY Triumph Thermal Systems - Maryland, Inc. (USA)
Related Parts
5133-00-189-9266INTERCHANGEABLE
DRILL,TWIST
5935-00-196-6535INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
18-16S
1240-00-235-2341INTERCHANGEABLE
HOLDER,OPTICAL ELEMENT
18021
3455-00-239-5611INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
INVOLUTE 30-6
5905-00-259-7656INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5930-00-296-3987INTERCHANGEABLE
SWITCH,THERMOSTATIC
18021-0
5330-00-424-5625INTERCHANGEABLE
GASKET
4330-00-463-3787INTERCHANGEABLE
FILTER ELEMENT,FLUID
11455071
5330-00-579-5054INTERCHANGEABLE
GASKET
383940
5950-00-997-2048INTERCHANGEABLE
REACTOR
580R265H01
5962-01-075-8005INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932820-224
2910-01-189-2142INTERCHANGEABLE
HOOK ASSEMBLY,GOVERNOR
18021

Frequently Asked Questions

What is NSN 4720-00-326-0793?

NSN 4720-00-326-0793 is a Duct,generator Cool, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-326-0793?

NSN 4720-00-326-0793 has 2 cross-referenced part numbers: 18021 (Botoman Mfg Co Inc), 18021 (Triumph Thermal Systems - Maryland, Inc.).

What NSN replaces 4720-00-326-0793?

There are 12 known substitutes for 4720-00-326-0793: 5133-00-189-9266, 5935-00-196-6535, 1240-00-235-2341 and 9 more. Verify interchangeability with system specifications before substitution.

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