PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A8420Tube Assembly,metal

Stewart Avionics Inc · NSN 4710-00-419-9066 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-419-9066 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-419-9066. Primary manufacturer part number: A8420.
Features
  • Tube Assembly,metal — FSC 4710
  • Thread Series Designator: UN SECOND END
  • Material: ALUMINUM TUBING
  • Design Form: PREBENT
  • Seat Angle in Deg: 12.0 FIRST END
  • Material: STEEL FIRST END
  • Wall Thickness: 0.062 INCHES NOMINAL IN
  • Nominal Thread Size: 0.750 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Tubing construction
General Description

The Tube Assembly,metal, cataloged under National Stock Number 4710-00-419-9066, is classified within Federal Supply Class 4710 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Stewart Avionics Inc. Government technical data includes 17 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
NSN4710-00-419-9066
Primary Part NumberA8420
Item NameTube Assembly,metal
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerStewart Avionics Inc
StatusACTIVE
Thread Series DesignatorUN SECOND END
MaterialALUMINUM TUBING
Design FormPREBENT
Seat Angle in Deg12.0 FIRST END
MaterialSTEEL FIRST END
Wall Thickness0.062 INCHES NOMINAL IN
Nominal Thread Size0.750 INCHES FIRST END IN
Tube Outside Diameter0.500 INCHES NOMINAL IN
Nominal Thread Size0.750 INCHES SECOND END IN
End Connection StyleSWIVEL NUT, FLARED SECOND END
Thread Class2B SECOND END
Seat Angle in Deg37.0 SECOND END
Thread Series DesignatorUN FIRST END
Thread Class2B FIRST END
Mating End Quantity1 SECOND END
Mating End Quantity1 FIRST END
End Connection StyleSWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5895-00-304-4903A8420 INTERCHANGEABLE
Clamp Assembly Rect
Bae Systems Information and Electronic Systems Integration Inc.
6532-01-217-4364A8420 INTERCHANGEABLE
Leggings,surgical
Cardinal Health 200, Llc
7310-01-428-4082A8420 INTERCHANGEABLE
Dispenser,beverage,mechanically
Imi Cornelius Inc.
5330-01-478-2205A8420 INTERCHANGEABLE
Gasket
Rix Industries
Cross-Reference Index
Part NumberManufacturer
A8420 PRIMARY Stewart Avionics Inc (USA)
Related Parts
5895-00-304-4903INTERCHANGEABLE
CLAMP ASSEMBLY RECT
A8420
6532-01-217-4364INTERCHANGEABLE
LEGGINGS,SURGICAL
A8420
7310-01-428-4082INTERCHANGEABLE
DISPENSER,BEVERAGE,MECHANICALLY
A8420
5330-01-478-2205INTERCHANGEABLE
GASKET
A8420

Frequently Asked Questions

What is NSN 4710-00-419-9066?

NSN 4710-00-419-9066 is a Tube Assembly,metal, manufactured by Stewart Avionics Inc, classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-00-419-9066?

NSN 4710-00-419-9066 has 1 cross-referenced part number: A8420 (Stewart Avionics Inc).

What NSN replaces 4710-00-419-9066?

There are 4 known substitutes for 4710-00-419-9066: 5895-00-304-4903, 6532-01-217-4364, 7310-01-428-4082 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A8420?

Key specifications for A8420: Thread Series Designator: UN SECOND END; Material: ALUMINUM TUBING; Design Form: PREBENT; Seat Angle in Deg: 12.0 FIRST END. 17 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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