PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

284-0540Hose Assembly,nonmetallic

Harsco Corp Bmy-Combat Systems Div · NSN 4720-00-803-9726 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-803-9726 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-803-9726. Primary manufacturer part number: 284-0540.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Outside Diameter: 2.562 INCHES NOMINAL IN
  • Inside Diameter: 2.000 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND FIRST END
  • Nominal Thread Size: 2.000 INCHES FIRST END IN
  • Connection Style: PLAIN FIRST END
  • Cross-Sectional Shape Style: ROUND
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-803-9726, 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 Harsco Corp Bmy-Combat Systems Div. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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
NSN4720-00-803-9726
Primary Part Number284-0540
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerHarsco Corp Bmy-Combat Systems Div
StatusCANCELLED
Outside Diameter2.562 INCHES NOMINAL IN
Inside Diameter2.000 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND FIRST END
Nominal Thread Size2.000 INCHES FIRST END IN
Connection StylePLAIN FIRST END
Cross-Sectional Shape StyleROUND
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Layer Composition and Location1ST LAYER WOVEN FABRIC AND OUTER LAYER MOLDED RUBBER, CHLOROPRENE
End Connection DesignSTRAIGHT FIRST END
Specification/standard Data81349-MIL-H-26521 GOVERNMENT SPECIFICATION
Inside Surface ConditionSMOOTH
Measuring Method and Length720.000 INCHES NOMINAL WORKING IN
Operating Pressure175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Criticality Code JustificationFEAT
Media for Which DesignedFUEL/OIL, HYDROCARBON AND WATER, FRESH SINGLE RESPONSE
Thread Series DesignatorNPT FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4720-00-088-3053 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-088-4492 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-611-9581 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-720-3847 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-802-5828 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-917-8373 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-974-1654 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-974-1690 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-974-1713 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-974-1714 INTERCHANGEABLE
Hose Assembly,nonmetallic
Cross-Reference Index
Part NumberManufacturer
284-0540 Harsco Corp Bmy-Combat Systems Div (USA)
MIL-DTL-26521 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-H-26521 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M26521A2.0R6000 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M26521A2.0R0720 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M26521-2-720 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4720-00-088-3053INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-088-4492INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-611-9581INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-720-3847INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-802-5828INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-917-8373INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-974-1654INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-974-1690INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-974-1713INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-974-1714INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-999-7776INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-024-6375INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC

Frequently Asked Questions

What is NSN 4720-00-803-9726?

NSN 4720-00-803-9726 is a Hose Assembly,nonmetallic, manufactured by Harsco Corp Bmy-Combat Systems Div, classified under FSC 4720 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4720-00-803-9726?

NSN 4720-00-803-9726 has 6 cross-referenced part numbers: 284-0540 (Harsco Corp Bmy-Combat Systems Div), MIL-DTL-26521 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-H-26521 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M26521A2.0R6000 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M26521A2.0R0720 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 4720-00-803-9726?

There are 12 known substitutes for 4720-00-803-9726: 4720-00-088-3053, 4720-00-088-4492, 4720-00-611-9581 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 284-0540?

Key specifications for 284-0540: Outside Diameter: 2.562 INCHES NOMINAL IN; Inside Diameter: 2.000 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND FIRST END; Nominal Thread Size: 2.000 INCHES FIRST END IN. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4720-00-803-9726 still in active supply?

NSN 4720-00-803-9726 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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