PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

521231Hose Assembly,nonmetallic

Renk America Llc Div Renk America · NSN 4720-00-878-5830 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-878-5830 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-878-5830. Primary manufacturer part number: 521231.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Inside Diameter: 0.406 INCHES NOMINAL IN
  • Burst Test Pressure: 8000.0 POUNDS PER SQUARE INCH LBS
  • Connection Type: THREADED INTERNAL TUBE FIRST END
  • Outer Covering Environmental Protection: MILDEW RESISTANT AND OIL RESISTANT
  • Outside Diameter: 0.766 INCHES NOMINAL IN
  • Layer Composition and Location: 1ST LAYER BRAIDED COTTON CORD AND 2ND LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD
  • Temp Rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-878-5830, 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 Renk America Llc Div Renk America. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-00-878-5830
Primary Part Number521231
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerRenk America Llc Div Renk America
StatusACTIVE
Inside Diameter0.406 INCHES NOMINAL IN
Burst Test Pressure8000.0 POUNDS PER SQUARE INCH LBS
Connection TypeTHREADED INTERNAL TUBE FIRST END
Outer Covering Environmental ProtectionMILDEW RESISTANT AND OIL RESISTANT
Outside Diameter0.766 INCHES NOMINAL IN
Layer Composition and Location1ST LAYER BRAIDED COTTON CORD AND 2ND LAYER BRAIDED CORROSION RESISTANT STEEL WIRE AND OUTER LAYER RUBBER IMPREGNATED BRAIDED COTTON CORD
Temp Rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Thread Size0.750 INCHES FIRST END IN
Connection StyleSWIVEL NUT FLARE FIRST END
Vacuum in Torr50.8
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
Measuring Method and Length85.000 INCHES NOMINAL OVERALL IN
Operating Pressure2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Seat Angle37.0 DEGREES FIRST END
Thread DirectionRIGHT-HAND FIRST END
Inside Surface ConditionSMOOTH
Thread Class3B FIRST END
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
End Connection DesignSTRAIGHT FIRST END
Minimum Inside Bending Radius4.625 INCHES IN
Features ProvidedREUSABLE END FITTINGS
Specification/standard Data96906-MS28741 GOVERNMENT STANDARD
Hydrostatic Test Pressure4000.0 POUNDS PER SQUARE INCH LBS
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5905-00-107-2989 INTERCHANGEABLE
Resistor,fixed,composition
4730-00-659-897052-123-1 INTERCHANGEABLE
Swivel Joint,hydraulic
Arkwin Industries, Inc. Dba Arkwin Industries Inc
5970-01-355-118769-11-D836-1671 INTERCHANGEABLE
Insulator,plate
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
Cross-Reference Index
Part NumberManufacturer
521231 Renk America Llc Div Renk America (USA)
MS28741-8-0850 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-8795 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
111417-8D-0850 Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
8713981 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
FA8217HHH0857 Danfoss Power Solutions II, Llc (USA)
Related Parts
5905-00-107-2989INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
4730-00-659-8970INTERCHANGEABLE
SWIVEL JOINT,HYDRAULIC
52-123-1
5970-01-355-1187INTERCHANGEABLE
INSULATOR,PLATE
69-11-D836-1671

Frequently Asked Questions

What is NSN 4720-00-878-5830?

NSN 4720-00-878-5830 is a Hose Assembly,nonmetallic, manufactured by Renk America Llc Div Renk America, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-878-5830?

NSN 4720-00-878-5830 has 6 cross-referenced part numbers: 521231 (Renk America Llc Div Renk America), MS28741-8-0850 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-8795 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 111417-8D-0850 (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), 8713981 (U S Army Tank Automotive Command Amsta-Im-Mm) and 1 more.

What NSN replaces 4720-00-878-5830?

There are 3 known substitutes for 4720-00-878-5830: 5905-00-107-2989, 4730-00-659-8970, 5970-01-355-1187. Verify interchangeability with system specifications before substitution.

What are the specifications of 521231?

Key specifications for 521231: Inside Diameter: 0.406 INCHES NOMINAL IN; Burst Test Pressure: 8000.0 POUNDS PER SQUARE INCH LBS; Connection Type: THREADED INTERNAL TUBE FIRST END; Outer Covering Environmental Protection: MILDEW RESISTANT AND OIL RESISTANT. 24 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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