PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4074-5Hose,air Duct

Flexaust Inc · NSN 4720-00-585-3880 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-585-3880 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-585-3880. Primary manufacturer part number: 4074-5.
Features
  • Hose,air Duct — FSC 4720
  • Connection Style: ROUND BOTH ENDS
  • End Inside Diameter: 9.000 INCHES NOMINAL BOTH ENDS IN
  • Features Provided: OZONE RESISTANT
  • Cross-Sectional Shape Style: ROUND
  • Material: COTTON AND RUBBER CHLOROPRENE CLASS CR FIRST PLY
  • End Overall Length: 1.500 INCHES NOMINAL BOTH ENDS IN
  • Hose Weight: 11.200 OUNCES PER LINEAR FOOT OZ
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Cotton and Rubber Chloroprene Class Cr First Ply construction
General Description

The Hose,air Duct, cataloged under National Stock Number 4720-00-585-3880, 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 Flexaust Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-00-585-3880
Primary Part Number4074-5
Item NameHose,air Duct
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerFlexaust Inc
StatusACTIVE
Connection StyleROUND BOTH ENDS
End Inside Diameter9.000 INCHES NOMINAL BOTH ENDS IN
Features ProvidedOZONE RESISTANT
Cross-Sectional Shape StyleROUND
MaterialCOTTON AND RUBBER CHLOROPRENE CLASS CR FIRST PLY
End Overall Length1.500 INCHES NOMINAL BOTH ENDS IN
Hose Weight11.200 OUNCES PER LINEAR FOOT OZ
Style DesignatorHELICALLY WOUND CONTINOUS WIRE SUPPORTED
MaterialSTEEL CORROSION RESISTING REINFORCING WIRE
Measuring Method and Length180.000 INCHES NOMINAL OVERALL IN
Operating Pressure25.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Inside Diameter9.000 INCHES NOMINAL FIRST END IN
MaterialCOTTON AND RUBBER CHLOROPRENE CLASS CR SECOND PLY
Connection TypeSOFT BOTH ENDS
Minimum Inside Bending Radius5.000 INCHES IN
Wall Thickness0.030 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5999-00-038-155440745 INTERCHANGEABLE
Cap,electrical
L3harris Technologies, Inc Div Space & Airborne Systems
4720-00-585-3879 INTERCHANGEABLE
Hose,air Duct
4720-00-585-68214074-10 INTERCHANGEABLE
Hose,air Duct
Flexaust Inc
5945-00-846-5334115-5-0B INTERCHANGEABLE
Relay,electromagnetic
Essex Products Group, Inc. Dba Industrial Timer Company
4820-01-199-6375N40745 INTERCHANGEABLE
Retainer,seat,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5950-01-300-901440745 INTERCHANGEABLE
Coil,radio Frequency
Vanguard Electronics, Llc
5935-01-645-7968 INTERCHANGEABLE
HDMI HDMI Fml Adapt
Cross-Reference Index
Part NumberManufacturer
SC1X Flexible Technologies Inc (USA)
4074-5 PRIMARY Flexaust Inc (USA)
L680099-5 Raytheon Company Dba Raytheon Co (USA)
Related Parts
5999-00-038-1554INTERCHANGEABLE
CAP,ELECTRICAL
40745
4720-00-585-3879INTERCHANGEABLE
HOSE,AIR DUCT
4720-00-585-6821INTERCHANGEABLE
HOSE,AIR DUCT
4074-10
5945-00-846-5334INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
115-5-0B
4820-01-199-6375INTERCHANGEABLE
RETAINER,SEAT,VALVE
N40745
5950-01-300-9014INTERCHANGEABLE
COIL,RADIO FREQUENCY
40745
5935-01-645-7968INTERCHANGEABLE
HDMI HDMI FML ADAPT

Frequently Asked Questions

What is NSN 4720-00-585-3880?

NSN 4720-00-585-3880 is a Hose,air Duct, manufactured by Flexaust Inc, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-585-3880?

NSN 4720-00-585-3880 has 3 cross-referenced part numbers: SC1X (Flexible Technologies Inc), 4074-5 (Flexaust Inc), L680099-5 (Raytheon Company Dba Raytheon Co).

What NSN replaces 4720-00-585-3880?

There are 7 known substitutes for 4720-00-585-3880: 5999-00-038-1554, 4720-00-585-3879, 4720-00-585-6821 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4074-5?

Key specifications for 4074-5: Connection Style: ROUND BOTH ENDS; End Inside Diameter: 9.000 INCHES NOMINAL BOTH ENDS IN; Features Provided: OZONE RESISTANT; Cross-Sectional Shape Style: ROUND. 17 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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