PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20904Hose,preformed

Gates Corporation · NSN 4720-01-226-7659 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-226-7659 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-226-7659. Primary manufacturer part number: 20904.
Features
  • Hose,preformed — FSC 4720
  • Style Designator: CONTINUOUS CURVE
  • Working Length: 3.870 INCHES MINIMUM AND 4.370 INCHES MAXIMUM IN
  • Features Provided: ENLARGED ENDS
  • Inside Diameter: 1.500 INCHES NOMINAL IN
  • Wall Thickness: 0.187 INCHES NOMINAL IN
  • Bend Radius: 3.750 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN
  • 2 verified cross-references
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose,preformed, cataloged under National Stock Number 4720-01-226-7659, 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 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4720-01-226-7659
Primary Part Number20904
Item NameHose,preformed
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerGates Corporation
StatusCANCELLED
Style DesignatorCONTINUOUS CURVE
Working Length3.870 INCHES MINIMUM AND 4.370 INCHES MAXIMUM IN
Features ProvidedENLARGED ENDS
Inside Diameter1.500 INCHES NOMINAL IN
Wall Thickness0.187 INCHES NOMINAL IN
Bend Radius3.750 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5975-00-065-39045523 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
4720-00-175-6280 INTERCHANGEABLE
Hose,preformed
5342-00-200-7586 INTERCHANGEABLE
Mount,resilient,weapon System
5360-00-291-428020904 INTERCHANGEABLE
Spring,helical,compression
Grove Valve Operations
5340-00-324-64758104990 INTERCHANGEABLE
Clamp,loop
Us Army Aviation and Missile Command
4310-01-064-238620-904 INTERCHANGEABLE
Compressor Unit,reciprocating
C&h Distributors, Llc
5355-01-074-604311579032 INTERCHANGEABLE
Knob
Army, United States Department of the Dba Watervliet Arsenal Div Business Development
3020-01-189-335220904 INTERCHANGEABLE
Gear Rack
Moog Inc. Dba Ampac-Isp Corp
5360-01-275-1828 INTERCHANGEABLE
Spring,helical,compression
3020-01-357-995020-904 INTERCHANGEABLE
Pulley,groove
Kut Kwick Corp
Cross-Reference Index
Part NumberManufacturer
13226E0477 Cecom Lr Center (USA)
20904 PRIMARY Gates Corporation (USA)
Related Parts
5975-00-065-3904INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5523
4720-00-175-6280INTERCHANGEABLE
HOSE,PREFORMED
5342-00-200-7586INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
5360-00-291-4280INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20904
5340-00-324-6475INTERCHANGEABLE
CLAMP,LOOP
8104990
4310-01-064-2386INTERCHANGEABLE
COMPRESSOR UNIT,RECIPROCATING
20-904
5355-01-074-6043INTERCHANGEABLE
KNOB
11579032
3020-01-189-3352INTERCHANGEABLE
GEAR RACK
20904
5360-01-275-1828INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3020-01-357-9950INTERCHANGEABLE
PULLEY,GROOVE
20-904
3120-01-391-3559INTERCHANGEABLE
BEARING,WASHER,THRUST
20904
5965-01-481-1834INTERCHANGEABLE
LOUDSPEAKER,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 4720-01-226-7659?

NSN 4720-01-226-7659 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 4720-01-226-7659?

NSN 4720-01-226-7659 has 2 cross-referenced part numbers: 13226E0477 (Cecom Lr Center), 20904 (Gates Corporation).

What NSN replaces 4720-01-226-7659?

There are 12 known substitutes for 4720-01-226-7659: 5975-00-065-3904, 4720-00-175-6280, 5342-00-200-7586 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20904?

Key specifications for 20904: Style Designator: CONTINUOUS CURVE; Working Length: 3.870 INCHES MINIMUM AND 4.370 INCHES MAXIMUM IN; Features Provided: ENLARGED ENDS; Inside Diameter: 1.500 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4720-01-226-7659 still in active supply?

NSN 4720-01-226-7659 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.
PartsTable Design LLC · partstable.com