PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-AA4-4-9IN SSHose Assembly,nonmetallic

Allied Systems Company Dba Allied Systems Co · NSN 4720-01-382-6587 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-382-6587 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-382-6587. Primary manufacturer part number: 31-AA4-4-9IN SS.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Inside Surface Condition: SMOOTH
  • Hydrostatic Test Pressure: 10000.0 POUNDS PER SQUARE INCH LBS
  • Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
  • Inside Diameter: 0.250 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND FIRST END
  • Features Provided: NONSKIVE
  • Layer Composition and Location: 1ST LAYER BRAIDED STEEL WIRE AND 2ND LAYER BRAIDED STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-382-6587, 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 Allied Systems Company Dba Allied Systems Co. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-382-6587
Primary Part Number31-AA4-4-9IN SS
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerAllied Systems Company Dba Allied Systems Co
StatusACTIVE
Inside Surface ConditionSMOOTH
Hydrostatic Test Pressure10000.0 POUNDS PER SQUARE INCH LBS
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
Inside Diameter0.250 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND FIRST END
Features ProvidedNONSKIVE
Layer Composition and Location1ST LAYER BRAIDED STEEL WIRE AND 2ND LAYER BRAIDED STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
Thread Class3B FIRST END
Outside Diameter0.590 INCHES NOMINAL IN
Nominal Thread Size0.438 INCHES FIRST END IN
Outer Covering Environmental ProtectionABRASION RESISTANT AND OIL RESISTANT AND WEATHERPROOF
Minimum Inside Bending Radius4.000 INCHES IN
Operating Pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Connection StyleSWIVEL NUT FLARE FIRST END
Measuring Method and Length9.000 INCHES NOMINAL OVERALL IN
Temp Rating-40.0 FAHRENHEIT AND 257.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Series DesignatorUNF FIRST END
End Connection DesignSTRAIGHT FIRST END
Cross-Sectional Shape StyleROUND
Connection TypeTHREADED INTERNAL TUBE FIRST END
Seat Angle37.0 DEGREES FIRST END
Burst Test Pressure20000.0 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5120-00-370-4028 INTERCHANGEABLE
Tang Breakoff Tool,screw Thread
5930-00-800-44178190010 INTERCHANGEABLE
Switch,pressure
Electro National Corp
4720-01-382-6724234729 INTERCHANGEABLE
Hose Assembly,nonmetallic
Allied Systems Company Dba Allied Systems Co
4720-01-383-2255234730 INTERCHANGEABLE
Hose Assembly,nonmetallic
Allied Systems Company Dba Allied Systems Co
2920-01-429-9854234426 INTERCHANGEABLE
Lead,ignition,engine
Kohler Co Engine Plant Div
Cross-Reference Index
Part NumberManufacturer
234426 Allied Systems Company Dba Allied Systems Co (USA)
35958 Allied Systems Company Dba Allied Systems Co (USA)
F3010606-4-4-4C-9.00 Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
F3010606-4-4-4C-9.00 Hydro-Power Industrial Products Inc (USA)
31-AA4-4-9IN SS PRIMARY Allied Systems Company Dba Allied Systems Co (USA)
Related Parts
5120-00-370-4028INTERCHANGEABLE
TANG BREAKOFF TOOL,SCREW THREAD
5930-00-800-4417INTERCHANGEABLE
SWITCH,PRESSURE
8190010
4720-01-382-6724INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
234729
4720-01-383-2255INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
234730
2920-01-429-9854INTERCHANGEABLE
LEAD,IGNITION,ENGINE
234426

Frequently Asked Questions

What is NSN 4720-01-382-6587?

NSN 4720-01-382-6587 is a Hose Assembly,nonmetallic, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-382-6587?

NSN 4720-01-382-6587 has 5 cross-referenced part numbers: 234426 (Allied Systems Company Dba Allied Systems Co), 35958 (Allied Systems Company Dba Allied Systems Co), F3010606-4-4-4C-9.00 (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), F3010606-4-4-4C-9.00 (Hydro-Power Industrial Products Inc), 31-AA4-4-9IN SS (Allied Systems Company Dba Allied Systems Co).

What NSN replaces 4720-01-382-6587?

There are 5 known substitutes for 4720-01-382-6587: 5120-00-370-4028, 5930-00-800-4417, 4720-01-382-6724 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31-AA4-4-9IN SS?

Key specifications for 31-AA4-4-9IN SS: Inside Surface Condition: SMOOTH; Hydrostatic Test Pressure: 10000.0 POUNDS PER SQUARE INCH LBS; Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE; Inside Diameter: 0.250 INCHES NOMINAL IN. 23 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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