PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20603Hose,preformed

Gates Corporation · NSN 4720-00-401-9448 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-401-9448 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-401-9448. Primary manufacturer part number: 20603.
Features
  • Hose,preformed — FSC 4720
  • Bend Radius: 3.000 INCHES NOMINAL IN
  • First Arm Length: 3.500 INCHES NOMINAL IN
  • Second Arm Length: 2.000 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC OVERALL
  • Material: RUBBER SYNTHETIC COVER
  • Working Length: 16.500 INCHES NOMINAL IN
  • Style Designator: TWO BEND
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 4720-00-401-9448, 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 11 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-00-401-9448
Primary Part Number20603
Item NameHose,preformed
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerGates Corporation
StatusACTIVE
Bend Radius3.000 INCHES NOMINAL IN
First Arm Length3.500 INCHES NOMINAL IN
Second Arm Length2.000 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC OVERALL
MaterialRUBBER SYNTHETIC COVER
Working Length16.500 INCHES NOMINAL IN
Style DesignatorTWO BEND
Features ProvidedENLARGED ENDS
Width6.000 INCHES NOMINAL IN
Offset Distance2.500 INCHES NOMINAL IN
Wall Thickness0.200 INCHES NOMINAL IN
Inside Diameter1.500 INCHES NOMINAL IN
Outer Radius4.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-367-467476424A INTERCHANGEABLE
Gasket
Dresser, Llc
5950-00-448-0906 INTERCHANGEABLE
Coil,radio Frequency
5940-00-681-0146015-2002-479 INTERCHANGEABLE
Terminal,feedthru
Itt Cannon Rf Products
5920-01-004-4107010162 INTERCHANGEABLE
Fuse,cartridge
Astec Industries Inc Div Astec Ind.
5999-01-076-96365U66B INTERCHANGEABLE
Magnet,permanent
Dexter Magnetic Technologies Inc Dba Magnetic Technologies
5999-01-105-1668 INTERCHANGEABLE
Delay Line
6105-01-159-8821SPBEP9A1819A 230 V/1PH INTERCHANGEABLE
Motor,alternating Current
Foster Refrigerators Enterprise Inc
5985-01-412-05662-060-3 INTERCHANGEABLE
Line,radio Frequency Transmissio
Myat, Inc. Dba Myat Inc
Cross-Reference Index
Part NumberManufacturer
3932394 Gates Corporation (USA)
3959488 Pontiac Motor Div of General Motors Corp
CH603 Gates Corporation (USA)
326768 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
9790277 Pontiac Motor Div of General Motors Corp
MH702 Goodyear Tire and Rubber Co the (USA)
326768 General Motors Corp (USA)
20603 PRIMARY Gates Corporation (USA)
MH702 PRIMARY Contitech Usa, Inc Dba Veyance Technologies (USA)
9790277 General Motors Corp (USA)
326768 PRIMARY General Motors Llc Dba General Motors Llc (USA)
Related Parts
5330-00-367-4674INTERCHANGEABLE
GASKET
76424A
5950-00-448-0906INTERCHANGEABLE
COIL,RADIO FREQUENCY
5940-00-681-0146INTERCHANGEABLE
TERMINAL,FEEDTHRU
015-2002-479
5920-01-004-4107INTERCHANGEABLE
FUSE,CARTRIDGE
010162
5999-01-076-9636INTERCHANGEABLE
MAGNET,PERMANENT
5U66B
5999-01-105-1668INTERCHANGEABLE
DELAY LINE
6105-01-159-8821INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
SPBEP9A1819A 230 V/1PH
5985-01-412-0566INTERCHANGEABLE
LINE,RADIO FREQUENCY TRANSMISSIO
2-060-3

Frequently Asked Questions

What is NSN 4720-00-401-9448?

NSN 4720-00-401-9448 is a Hose,preformed, manufactured by Gates Corporation, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-401-9448?

NSN 4720-00-401-9448 has 11 cross-referenced part numbers: 3932394 (Gates Corporation), 3959488 (Pontiac Motor Div of General Motors Corp), CH603 (Gates Corporation), 326768 (General Motors Corp Chevrolet Motor Div Special Products Dept), 9790277 (Pontiac Motor Div of General Motors Corp) and 6 more.

What NSN replaces 4720-00-401-9448?

There are 8 known substitutes for 4720-00-401-9448: 5330-00-367-4674, 5950-00-448-0906, 5940-00-681-0146 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20603?

Key specifications for 20603: Bend Radius: 3.000 INCHES NOMINAL IN; First Arm Length: 3.500 INCHES NOMINAL IN; Second Arm Length: 2.000 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com