PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26439Hose,preformed

Gates Corporation · NSN 4720-00-571-5309 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-571-5309 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-571-5309. Primary manufacturer part number: 26439.
Features
  • Hose,preformed — FSC 4720
  • Second Arm Length: 2.000 INCHES NOMINAL IN
  • First Arm Length: 2.000 INCHES NOMINAL IN
  • Material Document and Classification: SAE 20R5,CLASS SC ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Working Length: 17.000 INCHES NOMINAL IN
  • Material Document and Classification: SAE J20R5,CLASS SC ASSN STD SINGLE MATERIAL RESPONSE COVER
  • Style Designator: STRAIGHT CORRUGATED
  • Material: RUBBER OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Rubber Overall construction
General Description

The Hose,preformed, cataloged under National Stock Number 4720-00-571-5309, 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 Gates Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4720-00-571-5309
Primary Part Number26439
Item NameHose,preformed
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerGates Corporation
StatusCANCELLED
Second Arm Length2.000 INCHES NOMINAL IN
First Arm Length2.000 INCHES NOMINAL IN
Material Document and ClassificationSAE 20R5,CLASS SC ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Working Length17.000 INCHES NOMINAL IN
Material Document and ClassificationSAE J20R5,CLASS SC ASSN STD SINGLE MATERIAL RESPONSE COVER
Style DesignatorSTRAIGHT CORRUGATED
MaterialRUBBER OVERALL
MaterialRUBBER SYNTHETIC COVER
Wall Thickness0.175 INCHES NOMINAL IN
Inside Diameter1.940 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5330-00-019-814126439 INTERCHANGEABLE
Gasket
Napco International Llc Dba Napco International Inc
2990-00-217-3479 INTERCHANGEABLE
Ball8joint,carburet
5950-00-518-268226439 INTERCHANGEABLE
Transformer,power Autotransforme
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
5120-00-541-4074TMCOS18 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
3120-00-984-7420BTS16LS INTERCHANGEABLE
Bearing,plain,self-Aligning
Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co
5325-01-118-3012 INTERCHANGEABLE
Ring,retaining
3010-01-118-8554428318 INTERCHANGEABLE
Coupling,shaft,rigid
Eaton Aerospace, Llc Dba Jackson South
Cross-Reference Index
Part NumberManufacturer
26439 PRIMARY Gates Corporation (USA)
1LA010346 Wiggins Lift Co Inc (USA)
4283-18 Gates Corporation (USA)
404330-1 Hobart Bros Co (USA)
8667-1072 Gradall Company the (USA)
8667-1072 Warner and Swasey Co Turning Div (USA)
VF18 Gates Corporation (USA)
Related Parts
5330-00-019-8141INTERCHANGEABLE
GASKET
26439
2990-00-217-3479INTERCHANGEABLE
BALL8JOINT,CARBURET
5950-00-518-2682INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
26439
5120-00-541-4074INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
TMCOS18
3120-00-984-7420INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
BTS16LS
5325-01-118-3012INTERCHANGEABLE
RING,RETAINING
3010-01-118-8554INTERCHANGEABLE
COUPLING,SHAFT,RIGID
428318

Frequently Asked Questions

What is NSN 4720-00-571-5309?

NSN 4720-00-571-5309 is a Hose,preformed, manufactured by Gates Corporation, classified under FSC 4720 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4720-00-571-5309?

NSN 4720-00-571-5309 has 7 cross-referenced part numbers: 26439 (Gates Corporation), 1LA010346 (Wiggins Lift Co Inc), 4283-18 (Gates Corporation), 404330-1 (Hobart Bros Co), 8667-1072 (Gradall Company the) and 2 more.

What NSN replaces 4720-00-571-5309?

There are 7 known substitutes for 4720-00-571-5309: 5330-00-019-8141, 2990-00-217-3479, 5950-00-518-2682 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26439?

Key specifications for 26439: Second Arm Length: 2.000 INCHES NOMINAL IN; First Arm Length: 2.000 INCHES NOMINAL IN; Special Features: COIL WIRE SPRING INSIDE LENGTH OF HOSE; Material Document and Classification: SAE 20R5,CLASS SC ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4720-00-571-5309 still in active supply?

NSN 4720-00-571-5309 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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