PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51171R1Hose Assembly,nonmetallic

Navistar Intl Corp Truck Br Ohio Plant · NSN 4720-00-128-0407 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-128-0407 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-128-0407. Primary manufacturer part number: 51171R1.
Features
  • Hose Assembly,nonmetallic — FSC 4720
  • Cross-Sectional Shape Style: ROUND
  • Inside Diameter: 0.188 INCHES NOMINAL IN
  • Hydrostatic Test Pressure: 1000.0 POUNDS PER SQUARE INCH LBS
  • Thread Series Designator: UNS FIRST END
  • Measuring Method and Length: 10.500 INCHES NOMINAL OVERALL IN
  • Thread Series Designator: NPT SECOND END
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,nonmetallic, cataloged under National Stock Number 4720-00-128-0407, 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 Navistar Intl Corp Truck Br Ohio Plant. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN4720-00-128-0407
Primary Part Number51171R1
Item NameHose Assembly,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerNavistar Intl Corp Truck Br Ohio Plant
StatusACTIVE
Cross-Sectional Shape StyleROUND
Inside Diameter0.188 INCHES NOMINAL IN
Hydrostatic Test Pressure1000.0 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNS FIRST END
Measuring Method and Length10.500 INCHES NOMINAL OVERALL IN
Thread Series DesignatorNPT SECOND END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection StyleSWIVEL NUT, INVERTED FLARE FIRST END
Exterior ColorBLACK
Connection StylePLAIN SECOND END
Temp Rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
Layer Composition and LocationOUTER LAYER MOLDED RUBBER, CHLOROPRENE AND 1ST LAYER SPIRALLY LAID COTTON CORD
Burst Test Pressure2000.0 POUNDS PER SQUARE INCH LBS
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Seat Angle45.0 DEGREES FIRST END
Inside Surface ConditionSMOOTH
Minimum Inside Bending Radius2.000 INCHES IN
Thread Quantity Per Inch24 FIRST END
Thread Class2A FIRST END A
Outer Covering Environmental ProtectionABRASION RESISTANT AND COLD RESISTANT AND GREASE RESISTANT AND LIGHT RESISTANT AND OIL RESISTANT AND OZONE RESISTANT
Nominal Thread Size0.438 INCHES FIRST END IN
Outside Diameter0.375 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND FIRST END
Thread DirectionRIGHT-HAND SECOND END
Operating Pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Nominal Thread Size0.125 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5120-00-293-3006HSF-25S INTERCHANGEABLE
Face,hammer,inserted
Williams J H Industrial Products Inc
4720-01-139-1854 INTERCHANGEABLE
Hose Assembly,nonmetallic
4730-01-245-152295901A ITEM 6 INTERCHANGEABLE
Plug,pipe
Cummins Filtration Inc.
Cross-Reference Index
Part NumberManufacturer
51171R1 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
69172 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
Related Parts
5120-00-293-3006INTERCHANGEABLE
FACE,HAMMER,INSERTED
HSF-25S
4720-01-139-1854INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4730-01-245-1522INTERCHANGEABLE
PLUG,PIPE
95901A ITEM 6

Frequently Asked Questions

What is NSN 4720-00-128-0407?

NSN 4720-00-128-0407 is a Hose Assembly,nonmetallic, manufactured by Navistar Intl Corp Truck Br Ohio Plant, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-128-0407?

NSN 4720-00-128-0407 has 2 cross-referenced part numbers: 51171R1 (Navistar Intl Corp Truck Br Ohio Plant), 69172 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.).

What NSN replaces 4720-00-128-0407?

There are 3 known substitutes for 4720-00-128-0407: 5120-00-293-3006, 4720-01-139-1854, 4730-01-245-1522. Verify interchangeability with system specifications before substitution.

What are the specifications of 51171R1?

Key specifications for 51171R1: Cross-Sectional Shape Style: ROUND; Inside Diameter: 0.188 INCHES NOMINAL IN; Hydrostatic Test Pressure: 1000.0 POUNDS PER SQUARE INCH LBS; Thread Series Designator: UNS FIRST END. 27 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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