PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102644Tube Assembly,metal

Triumph Thermal Systems - Maryland, Inc. · NSN 4710-00-878-0002 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-878-0002 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-878-0002. Primary manufacturer part number: 102644.
Features
  • Tube Assembly,metal — FSC 4710
  • Nominal Thread Size: 0.562 INCHES FIRST END IN
  • Tube Outside Diameter: 0.375 INCHES NOMINAL IN
  • Mating End Quantity: 1 SECOND END
  • Material: ALUMINUM ALLOY 5052 TUBING
  • Material Document and Classification: WW-T-787, TEMPER O-CANCELED FED SPEC SINGLE MATERIAL RESPONSE TUBING
  • End Connection Style: UNTHREADED INTERNAL FIRST END
  • End Connection Spec/std: AN,AN818,AN818-6D,MIL-STD,MS20819,MS20819-6D
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy 5052 Tubing construction
General Description

The Tube Assembly,metal, cataloged under National Stock Number 4710-00-878-0002, 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 Triumph Thermal Systems - Maryland, Inc.. Government technical data includes 15 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4710-00-878-0002
Primary Part Number102644
Item NameTube Assembly,metal
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerTriumph Thermal Systems - Maryland, Inc.
StatusACTIVE
Nominal Thread Size0.562 INCHES FIRST END IN
Tube Outside Diameter0.375 INCHES NOMINAL IN
Mating End Quantity1 SECOND END
MaterialALUMINUM ALLOY 5052 TUBING
Material Document and ClassificationWW-T-787, TEMPER O-CANCELED FED SPEC SINGLE MATERIAL RESPONSE TUBING
End Connection StyleUNTHREADED INTERNAL FIRST END
End Connection Spec/stdAN,AN818,AN818-6D,MIL-STD,MS20819,MS20819-6D
End Connection StyleSWIVEL NUT, INVERTED FLARE SECOND END
Wall Thickness0.035 INCHES NOMINAL IN
MaterialALUMINUM ALLOY FIRST END
Design FormPREBENT
Mating End Quantity1 FIRST END
Seat Angle in Deg33.0 FIRST END
Thread DirectionRIGHT-HAND FIRST END
Thread Class3A SINGLE END A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5315-00-182-6158102644 INTERCHANGEABLE
Pin
L3harris Technologies, Inc Div Space & Airborne Systems
5340-00-832-9904102644 INTERCHANGEABLE
Boot,dust and Moisture Seal
Cadillac Gage Textron Inc.
Cross-Reference Index
Part NumberManufacturer
102644 Triumph Thermal Systems - Maryland, Inc. (USA)
102644 Defense & Development Enterprises Llc (USA)
Related Parts
5315-00-182-6158INTERCHANGEABLE
PIN
102644
5340-00-832-9904INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
102644

Frequently Asked Questions

What is NSN 4710-00-878-0002?

NSN 4710-00-878-0002 is a Tube Assembly,metal, manufactured by Triumph Thermal Systems - Maryland, Inc., classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-00-878-0002?

NSN 4710-00-878-0002 has 2 cross-referenced part numbers: 102644 (Triumph Thermal Systems - Maryland, Inc.), 102644 (Defense & Development Enterprises Llc).

What NSN replaces 4710-00-878-0002?

There are 2 known substitutes for 4710-00-878-0002: 5315-00-182-6158, 5340-00-832-9904. Verify interchangeability with system specifications before substitution.

What are the specifications of 102644?

Key specifications for 102644: Nominal Thread Size: 0.562 INCHES FIRST END IN; Tube Outside Diameter: 0.375 INCHES NOMINAL IN; Mating End Quantity: 1 SECOND END; Material: ALUMINUM ALLOY 5052 TUBING. 15 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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