PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31597Hose Assembly,nonmetallic

Tennant Company · NSN 4720-01-478-8608 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-478-8608 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-478-8608. Primary manufacturer part number: 31597.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Connection Style: SWIVEL NUT FLARE FIRST END
  • Inside Diameter: 0.375 INCHES NOMINAL IN
  • Seat Angle: 37.0 DEGREES SECOND END
  • Seat Angle: 37.0 DEGREES FIRST END
  • Nominal Thread Size: 0.562 INCHES FIRST END IN
  • Connection Style: SWIVEL NUT FLARE SECOND END
  • Thread Direction: RIGHT-HAND FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-01-478-8608, 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 Tennant Company. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-478-8608
Primary Part Number31597
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerTennant Company
StatusACTIVE
Connection StyleSWIVEL NUT FLARE FIRST END
Inside Diameter0.375 INCHES NOMINAL IN
Seat Angle37.0 DEGREES SECOND END
Seat Angle37.0 DEGREES FIRST END
Nominal Thread Size0.562 INCHES FIRST END IN
Connection StyleSWIVEL NUT FLARE SECOND END
Thread DirectionRIGHT-HAND FIRST END
Connection TypeTHREADED INTERNAL TUBE SECOND END
Thread Series DesignatorUNF SECOND END
Thread Class2B FIRST END
Measuring Method and Length68.000 INCHES NOMINAL EXCLUDING END FITTINGS IN
End Connection DesignELBOW SECOND END
Thread DirectionRIGHT-HAND SECOND END
End Connection DesignSTRAIGHT FIRST END
Thread Class2B SECOND END
Thread Series DesignatorUNF FIRST END
Connection TypeTHREADED INTERNAL TUBE FIRST END
Nominal Thread Size0.562 INCHES SECOND END IN
Flow Angle90.0 DEGREES SECOND END
Inside Surface ConditionSMOOTH
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5360-00-084-472031597 INTERCHANGEABLE
Spring
Arvinmeritor Inc
3110-00-227-339531597 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
6550-01-139-7498231597 INTERCHANGEABLE
Sensitivity Discs,diagnostic
Becton, Dickinson and Co Dba Becton Dickinson & Co
5935-01-431-5656 INTERCHANGEABLE
Connector,receptacle,electrical
Cross-Reference Index
Part NumberManufacturer
31597 Tennant Company (USA)
Related Parts
5360-00-084-4720INTERCHANGEABLE
SPRING
31597
3110-00-227-3395INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
31597
6550-01-139-7498INTERCHANGEABLE
SENSITIVITY DISCS,DIAGNOSTIC
231597
5935-01-431-5656INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL

Frequently Asked Questions

What is NSN 4720-01-478-8608?

NSN 4720-01-478-8608 is a Hose Assembly,nonmetallic, manufactured by Tennant Company, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-478-8608?

NSN 4720-01-478-8608 has 1 cross-referenced part number: 31597 (Tennant Company).

What NSN replaces 4720-01-478-8608?

There are 4 known substitutes for 4720-01-478-8608: 5360-00-084-4720, 3110-00-227-3395, 6550-01-139-7498 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31597?

Key specifications for 31597: Special Features: MEDIUM PRESSURE 3/8" ID HOSE WITH ONE STRAIGHT 3/8" FEMALE & ONE 90 DEGREE 3/8" ELBOW FITTINGS; Connection Style: SWIVEL NUT FLARE FIRST END; Inside Diameter: 0.375 INCHES NOMINAL IN; End Item Identification: TENNANT FLOOR CLEANER. 24 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