PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20394Tube Assembly,metal

Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. · NSN 4710-00-756-0881 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-756-0881 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-756-0881. Primary manufacturer part number: 20394.
Features
  • Tube Assembly,metal — FSC 4710
  • Thread Class: 2B SINGLE END
  • End Connection Style: SWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE SINGLE END
  • Wall Thickness: 0.062 INCHES NOMINAL IN
  • Thread Series Designator: UNF SINGLE END
  • Material: ALUMINUM ALLOY TUBING
  • Nominal Thread Size: 0.562 INCHES SINGLE END IN
  • Tube Outside Diameter: 0.375 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy Tubing construction
General Description

The Tube Assembly,metal, cataloged under National Stock Number 4710-00-756-0881, 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 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.. Government technical data includes 12 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4710-00-756-0881
Primary Part Number20394
Item NameTube Assembly,metal
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerTiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
StatusACTIVE
Thread Class2B SINGLE END
End Connection StyleSWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE SINGLE END
Wall Thickness0.062 INCHES NOMINAL IN
Thread Series DesignatorUNF SINGLE END
MaterialALUMINUM ALLOY TUBING
Nominal Thread Size0.562 INCHES SINGLE END IN
Tube Outside Diameter0.375 INCHES NOMINAL IN
Seat Angle in Deg45.0 SINGLE END
MaterialALUMINUM ALLOY SINGLE END
Design FormPREBENT
Thread DirectionRIGHT-HAND SINGLE END
Mating End Quantity2 SINGLE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3455-01-044-7953 INTERCHANGEABLE
Reamer,machine
6220-01-195-996120394-1 INTERCHANGEABLE
Plate-Identification and Wiring
Grimes Aerospace Company
5962-01-315-0594 INTERCHANGEABLE
Microcircuit,digital
5340-01-358-960120394 INTERCHANGEABLE
Cover,access
Aerocontrolex Group, Inc. Div Talley Actuators
7490-01-572-276320394 INTERCHANGEABLE
Shredding Machine,paper
Dahle North America Inc
5315-01-590-787920394 INTERCHANGEABLE
Pin,lock
Goodrich Corporation Dba Goodrich Reconnaissance Systems Div Isr Systems
Cross-Reference Index
Part NumberManufacturer
20394 PRIMARY Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
Related Parts
3455-01-044-7953INTERCHANGEABLE
REAMER,MACHINE
6220-01-195-9961INTERCHANGEABLE
PLATE-IDENTIFICATION AND WIRING
20394-1
5962-01-315-0594INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5340-01-358-9601INTERCHANGEABLE
COVER,ACCESS
20394
7490-01-572-2763INTERCHANGEABLE
SHREDDING MACHINE,PAPER
20394
5315-01-590-7879INTERCHANGEABLE
PIN,LOCK
20394

Frequently Asked Questions

What is NSN 4710-00-756-0881?

NSN 4710-00-756-0881 is a Tube Assembly,metal, manufactured by Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp., classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-00-756-0881?

NSN 4710-00-756-0881 has 1 cross-referenced part number: 20394 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.).

What NSN replaces 4710-00-756-0881?

There are 6 known substitutes for 4710-00-756-0881: 3455-01-044-7953, 6220-01-195-9961, 5962-01-315-0594 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20394?

Key specifications for 20394: Thread Class: 2B SINGLE END; End Connection Style: SWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE SINGLE END; Wall Thickness: 0.062 INCHES NOMINAL IN; Thread Series Designator: UNF SINGLE END. 12 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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