PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FLX100185001804Hose,air Duct

Flexfab Llc · NSN 4720-01-357-4514 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-357-4514 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-357-4514. Primary manufacturer part number: FLX100185001804.
Features
  • Hose,air Duct — FSC 4720
  • Measuring Method and Length: 4.500 INCHES NOMINAL OVERALL IN
  • Operating Pressure: 0.0 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL LBS
  • Style Designator: SLEEVE SECTION
  • Inside Diameter: 10.620 INCHES NOMINAL FIRST END IN
  • Temp Rating: -50.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
  • Connection Style: ROUND BOTH ENDS
  • Features Provided: FUNGUS RESISTANT TREATMENT
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-01-357-4514, 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 Flexfab Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-357-4514
Primary Part NumberFLX100185001804
Item NameHose,air Duct
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerFlexfab Llc
StatusACTIVE
Measuring Method and Length4.500 INCHES NOMINAL OVERALL IN
Operating Pressure0.0 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL LBS
Style DesignatorSLEEVE SECTION
Inside Diameter10.620 INCHES NOMINAL FIRST END IN
Temp Rating-50.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
Connection StyleROUND BOTH ENDS
Features ProvidedFUNGUS RESISTANT TREATMENT
Connection TypePREFORMED BOTH ENDS
End Overall Length1.000 INCHES NOMINAL BOTH ENDS IN
End Inside Diameter10.620 INCHES NOMINAL BOTH ENDS IN
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4730-00-022-24571183-3 INTERCHANGEABLE
Coupling Half,quick Disconnect
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5360-00-312-6069 INTERCHANGEABLE
Spring,helical,extension
2910-00-360-3670118332 INTERCHANGEABLE
Diaphragm,actuator Valve,special
Am General Llc
2540-00-371-612311833 INTERCHANGEABLE
Gear Assembly,maste
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5307-00-616-601611833A INTERCHANGEABLE
Stud,plain
Brinkley Technology Group Llc Dba Hercules Manufacturing
5940-00-621-2273 INTERCHANGEABLE
Terminal Board
4520-01-025-385211833 INTERCHANGEABLE
Heating Element,electrical,nonim
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
4720-01-221-5351FLX100185002608 INTERCHANGEABLE
Hose,air Duct
Flexfab Llc
4720-01-231-2646FLX1001-0018 INTERCHANGEABLE
Hose,air Duct
Flexfab Llc
Cross-Reference Index
Part NumberManufacturer
11833-2 Drs Environmental Systems Inc (USA)
11833 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
11833-2 Hdt Expeditionary Systems Inc (USA)
11833-2 Engineered Air Systems, Inc. Dba Drs Sustainment Systems (USA)
FLX100185001804 PRIMARY Flexfab Llc (USA)
Related Parts
4730-00-022-2457INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
1183-3
5360-00-312-6069INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
2910-00-360-3670INTERCHANGEABLE
DIAPHRAGM,ACTUATOR VALVE,SPECIAL
118332
2540-00-371-6123INTERCHANGEABLE
GEAR ASSEMBLY,MASTE
11833
5307-00-616-6016INTERCHANGEABLE
STUD,PLAIN
11833A
5940-00-621-2273INTERCHANGEABLE
TERMINAL BOARD
4520-01-025-3852INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
11833
4720-01-221-5351INTERCHANGEABLE
HOSE,AIR DUCT
FLX100185002608
4720-01-231-2646INTERCHANGEABLE
HOSE,AIR DUCT
FLX1001-0018

Frequently Asked Questions

What is NSN 4720-01-357-4514?

NSN 4720-01-357-4514 is a Hose,air Duct, manufactured by Flexfab Llc, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-357-4514?

NSN 4720-01-357-4514 has 5 cross-referenced part numbers: 11833-2 (Drs Environmental Systems Inc), 11833 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), 11833-2 (Hdt Expeditionary Systems Inc), 11833-2 (Engineered Air Systems, Inc. Dba Drs Sustainment Systems), FLX100185001804 (Flexfab Llc).

What NSN replaces 4720-01-357-4514?

There are 9 known substitutes for 4720-01-357-4514: 4730-00-022-2457, 5360-00-312-6069, 2910-00-360-3670 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FLX100185001804?

Key specifications for FLX100185001804: Measuring Method and Length: 4.500 INCHES NOMINAL OVERALL IN; Special Features: AMBIENT OPERATING RANGE: FROM 0 DEG. F TO 140 DEG. F; ALSO,STORED AT: -65 DEG. F TO +160 DEG. F. ENVIRONMENTAL EXPOSURE: 1) THE FLEXIBLE DUCT SHALL BE CAPABLE OF CONFORMING TO ALL REQUIREMENTS SPECIFIED HEREIN AFTER EXPOSURE TO THE FOLLOWING ENVIRONMENTAL CONDITIONS: A) AMBIENT TEMPERATURE OF -65 DEG. F TO +160 DEG. F. B) RADIANT ENERGY AS FOUND UNDER NATURAL CONDITIONS. C) SALT SPRAY AS MAY BE ENCOUNTERED IN SALT-SEA ATMOSPHERE. D) FUNGUS GROWTH AS MAY BE ENCOUNTERED INTROPICAL CLIMATE. E) RAINFALL AS ENCOUNTERED IN ANY LOCATE. F) SAND AND DUSTAS MAY BE ENCOUNTERED IN DESERT AREAS.; Operating Pressure: 0.0 POUNDS PER SQUARE INCH (PSI) NOMINAL EXTERNAL LBS; Style Designator: SLEEVE SECTION. 13 total characteristics are documented in the Federal Logistics Information System.

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