PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20343Hose,preformed

Gates Corporation · NSN 4720-00-770-2106 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-770-2106 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-770-2106. Primary manufacturer part number: 20343.
Features
  • Hose,preformed — FSC 4720
  • Offset Distance: 5.500 INCHES NOMINAL IN
  • Bend Radius: 4.000 INCHES NOMINAL IN
  • First Arm Length: 3.000 INCHES NOMINAL IN
  • Second Arm Length: 2.500 INCHES NOMINAL IN
  • Style Designator: TWO BEND
  • Material: RUBBER SYNTHETIC OVERALL
  • Material Document and Classification: SAE 20R4,CLASS SC ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Hose,preformed, cataloged under National Stock Number 4720-00-770-2106, 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 13 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: Cancelled.

Technical Specifications
ParameterValue
NSN4720-00-770-2106
Primary Part Number20343
Item NameHose,preformed
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerGates Corporation
StatusCANCELLED
Offset Distance5.500 INCHES NOMINAL IN
Bend Radius4.000 INCHES NOMINAL IN
First Arm Length3.000 INCHES NOMINAL IN
Second Arm Length2.500 INCHES NOMINAL IN
Style DesignatorTWO BEND
MaterialRUBBER SYNTHETIC OVERALL
Material Document and ClassificationSAE 20R4,CLASS SC ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC COVER
Working Length10.500 INCHES NOMINAL IN
Inside Diameter1.500 INCHES NOMINAL IN
Outer Radius5.000 INCHES NOMINAL IN
Wall Thickness0.200 INCHES NOMINAL IN
Width6.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5310-00-052-6900 INTERCHANGEABLE
Washer,flat
5940-00-269-7983162A375-2 INTERCHANGEABLE
Terminal,stud
New London Instrument Co
4730-00-469-04411181-201PCG3 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Portsmouth Naval Shipyard
5950-00-695-205920343 INTERCHANGEABLE
Transformer
Freed Transformer Co
1650-01-219-570120343 INTERCHANGEABLE
Piston,hydraulic Motor-Pump
Parker Hannifin Corporation Div Hydraulic Systems Division
5670-01-225-2703 INTERCHANGEABLE
Molding,metal
4820-01-319-074631-50220 INTERCHANGEABLE
Valve,calibrated Flow
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
5930-01-329-7818740559-103 INTERCHANGEABLE
Switch Assembly
Lockheed Martin Corp
4730-01-511-7300 INTERCHANGEABLE
Reducer,pipe
Cross-Reference Index
Part NumberManufacturer
20343 PRIMARY Gates Corporation (USA)
CH154 Crown Products Co
941355 PRIMARY Am General Llc (USA)
CH343 Gates Corporation (USA)
3150220 Kenosha Automotive Plant Sub of American Motors Corp (USA)
Related Parts
5310-00-052-6900INTERCHANGEABLE
WASHER,FLAT
5940-00-269-7983INTERCHANGEABLE
TERMINAL,STUD
162A375-2
4730-00-469-0441INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
1181-201PCG3
5950-00-695-2059INTERCHANGEABLE
TRANSFORMER
20343
1650-01-219-5701INTERCHANGEABLE
PISTON,HYDRAULIC MOTOR-PUMP
20343
5670-01-225-2703INTERCHANGEABLE
MOLDING,METAL
4820-01-319-0746INTERCHANGEABLE
VALVE,CALIBRATED FLOW
31-50220
5930-01-329-7818INTERCHANGEABLE
SWITCH ASSEMBLY
740559-103
4730-01-511-7300INTERCHANGEABLE
REDUCER,PIPE

Frequently Asked Questions

What is NSN 4720-00-770-2106?

NSN 4720-00-770-2106 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 4720-00-770-2106?

NSN 4720-00-770-2106 has 5 cross-referenced part numbers: 20343 (Gates Corporation), CH154 (Crown Products Co), 941355 (Am General Llc), CH343 (Gates Corporation), 3150220 (Kenosha Automotive Plant Sub of American Motors Corp).

What NSN replaces 4720-00-770-2106?

There are 9 known substitutes for 4720-00-770-2106: 5310-00-052-6900, 5940-00-269-7983, 4730-00-469-0441 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20343?

Key specifications for 20343: Offset Distance: 5.500 INCHES NOMINAL IN; Bend Radius: 4.000 INCHES NOMINAL IN; First Arm Length: 3.000 INCHES NOMINAL IN; Second Arm Length: 2.500 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4720-00-770-2106 still in active supply?

NSN 4720-00-770-2106 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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