PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SAE-20R1ECH-B-37XRHose,nonmetallic

Sae International Dba Sae International · NSN 4720-00-640-5439 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-640-5439 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-640-5439. Primary manufacturer part number: SAE-20R1ECH-B-37XR.
Features
  • Hose,nonmetallic — FSC 4720
  • Burst Test Pressure: 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
  • Specification/standard Data: 81343 SAE J20-1 GOVERNMENT SPECIFICATION
  • Temp Rating: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Outer Covering Environmental Protection: HEAT RESISTANT AND OIL RESISTANT AND OZONE RESISTANT AND MILDEW RESISTANT
  • Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM TUBE
  • Inside Surface Condition: SMOOTH
  • Inside Diameter: 1.500 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Rubber Ethylene-Propylene Class Epm Tube construction
General Description

The Hose,nonmetallic, cataloged under National Stock Number 4720-00-640-5439, 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 Sae International Dba Sae International. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 7 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
NSN4720-00-640-5439
Primary Part NumberSAE-20R1ECH-B-37XR
Item NameHose,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Burst Test Pressure200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
Specification/standard Data81343 SAE J20-1 GOVERNMENT SPECIFICATION
Temp Rating-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
Outer Covering Environmental ProtectionHEAT RESISTANT AND OIL RESISTANT AND OZONE RESISTANT AND MILDEW RESISTANT
MaterialRUBBER ETHYLENE-PROPYLENE CLASS EPM TUBE
Inside Surface ConditionSMOOTH
Inside Diameter1.500 INCHES NOMINAL IN
Layer Composition and Location1ST LAYER BRAIDED TEXTILE YARN AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
Cross-Sectional Shape StyleROUND
Outside Diameter2.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5995-00-059-46700594670 INTERCHANGEABLE
Cable Assembly,radio Frequency
Wire-Pro, Inc Dba Wpi-Salem Division
5815-00-125-48937044 INTERCHANGEABLE
Arm,ribbon,reverse
Telemechanics Inc
2520-00-355-3462UCL7044 INTERCHANGEABLE
Backplate,clutch
Rockford Powertrain Inc Div Powertrain Rockford, Inc.
6240-00-481-95647044 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5960-00-800-3529 INTERCHANGEABLE
Electron Tube
2540-01-029-430012014 INTERCHANGEABLE
Mirror,convex
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
4820-01-189-7138 INTERCHANGEABLE
Head,valve
5330-01-211-72716659 INTERCHANGEABLE
Seal,plain Encased
893 Mfg, Llc
2840-01-212-88739336M45P03 INTERCHANGEABLE
Seal,metallic,aircraft Gas Turbi
Cfm International Inc Dba Cfm International
5905-01-314-9090G203732-1 INTERCHANGEABLE
Resistor Network,fixed,film
Vishay Thin Film Llc Div Vishay Thin Film
Cross-Reference Index
Part NumberManufacturer
SAE-J20/1 Sae International Dba Sae International (USA)
503A3 Cummins Power Generation Inc. (USA)
J20R1ECHB37XR Society of Automotive Engineers Inc (USA)
ZZ-H-428 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
J20R1ECHB37XR Sae International Dba Sae International (USA)
MS521302B1112R Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
SAE-20R1ECH-B-37XR PRIMARY Sae International Dba Sae International (USA)
J20-1 Society of Automotive Engineers Inc (USA)
503-3 Cummins Power Generation Inc. (USA)
503-0003 Cummins Power Generation Inc. (USA)
33H223 Spalla Inc (USA)
7044 PRIMARY Dresser, Llc (USA)
J20-1 Sae International Dba Sae International (USA)
Related Parts
5995-00-059-4670INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
0594670
5815-00-125-4893INTERCHANGEABLE
ARM,RIBBON,REVERSE
7044
2520-00-355-3462INTERCHANGEABLE
BACKPLATE,CLUTCH
UCL7044
6240-00-481-9564INTERCHANGEABLE
LAMP,INCANDESCENT
7044
5960-00-800-3529INTERCHANGEABLE
ELECTRON TUBE
2540-01-029-4300INTERCHANGEABLE
MIRROR,CONVEX
12014
4820-01-189-7138INTERCHANGEABLE
HEAD,VALVE
5330-01-211-7271INTERCHANGEABLE
SEAL,PLAIN ENCASED
6659
2840-01-212-8873INTERCHANGEABLE
SEAL,METALLIC,AIRCRAFT GAS TURBI
9336M45P03
5905-01-314-9090INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
G203732-1
5325-01-476-2190INTERCHANGEABLE
GROMMET,NONMETALLIC
07044.0000
5925-01-580-7212INTERCHANGEABLE
CIRCUIT BREAKER

Frequently Asked Questions

What is NSN 4720-00-640-5439?

NSN 4720-00-640-5439 is a Hose,nonmetallic, manufactured by Sae International Dba Sae International, classified under FSC 4720 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4720-00-640-5439?

NSN 4720-00-640-5439 has 13 cross-referenced part numbers: SAE-J20/1 (Sae International Dba Sae International), 503A3 (Cummins Power Generation Inc.), J20R1ECHB37XR (Society of Automotive Engineers Inc), ZZ-H-428 (Federal Specifications Promulgated by General Services Administration Washington DC), J20R1ECHB37XR (Sae International Dba Sae International) and 8 more.

What NSN replaces 4720-00-640-5439?

There are 12 known substitutes for 4720-00-640-5439: 5995-00-059-4670, 5815-00-125-4893, 2520-00-355-3462 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SAE-20R1ECH-B-37XR?

Key specifications for SAE-20R1ECH-B-37XR: Burst Test Pressure: 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS; Specification/standard Data: 81343 SAE J20-1 GOVERNMENT SPECIFICATION; Temp Rating: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF; Outer Covering Environmental Protection: HEAT RESISTANT AND OIL RESISTANT AND OZONE RESISTANT AND MILDEW RESISTANT. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4720-00-640-5439 still in active supply?

NSN 4720-00-640-5439 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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