PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C7971Hose Assembly,metallic

Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division · NSN 4720-00-203-1945 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-203-1945 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-203-1945. Primary manufacturer part number: C7971.
Features
  • Hose Assembly,metallic — FSC 4720
  • Connection Style: SWIVEL NUT FLARE FIRST END
  • Layer Composition and Location: OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
  • Nominal Thread Size: 0.438 INCHES FIRST END IN
  • Connection Type: THREADED INTERNAL TUBE FIRST END
  • Operating Pressure: 3200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
  • Inner Conveying Tube Style: HELICAL OPEN-PITCH CORRUGATED
  • End Connection Design: STRAIGHT FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Hose Assembly,metallic, cataloged under National Stock Number 4720-00-203-1945, 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 Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-00-203-1945
Primary Part NumberC7971
Item NameHose Assembly,metallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerParker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
StatusACTIVE
Connection StyleSWIVEL NUT FLARE FIRST END
Layer Composition and LocationOUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
Nominal Thread Size0.438 INCHES FIRST END IN
Connection TypeTHREADED INTERNAL TUBE FIRST END
Operating Pressure3200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Inner Conveying Tube StyleHELICAL OPEN-PITCH CORRUGATED
End Connection DesignSTRAIGHT FIRST END
Features ProvidedIDENTICAL ENDS
Outside Diameter0.450 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND FIRST END
Thread Class3B FIRST END
Seat Angle37.0 DEGREES FIRST END
Inside Diameter0.250 INCHES NOMINAL IN
Minimum Inside Bending Radius2.250 INCHES IN
Nominal Thread Size0.438 INCHES FIRST END IN
Thread Series DesignatorUNF FIRST END
Measuring Method and Length10.250 INCHES NOMINAL OVERALL IN
Cross-Sectional Shape StyleROUND
Layer Composition and LocationOUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE
Seat Angle37.0 DEGREES FIRST END
Features ProvidedIDENTICAL ENDS
Thread Series DesignatorUNF FIRST END
Measuring Method and Length10.250 INCHES NOMINAL OVERALL IN
Operating Pressure3200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
1680-00-337-5348C7971 INTERCHANGEABLE
Unit Assy,telescope
Triumph Controls, Llc Dba Triumph Controls, Llc
Cross-Reference Index
Part NumberManufacturer
C7971 Senior Flexonics Inc (USA)
C7971 PRIMARY Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
S94000204-0102 Smiths Tubular Systems-Laconia, Inc. (USA)
Related Parts
1680-00-337-5348INTERCHANGEABLE
UNIT ASSY,TELESCOPE
C7971

Frequently Asked Questions

What is NSN 4720-00-203-1945?

NSN 4720-00-203-1945 is a Hose Assembly,metallic, manufactured by Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-203-1945?

NSN 4720-00-203-1945 has 3 cross-referenced part numbers: C7971 (Senior Flexonics Inc), C7971 (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), S94000204-0102 (Smiths Tubular Systems-Laconia, Inc.).

What NSN replaces 4720-00-203-1945?

There is 1 known substitute for 4720-00-203-1945: 1680-00-337-5348. Verify interchangeability with system specifications before substitution.

What are the specifications of C7971?

Key specifications for C7971: Connection Style: SWIVEL NUT FLARE FIRST END; Layer Composition and Location: OUTER LAYER BRAIDED CORROSION RESISTANT STEEL WIRE; Nominal Thread Size: 0.438 INCHES FIRST END IN; Connection Type: THREADED INTERNAL TUBE FIRST END. 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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