PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102643Tube Assembly,metal

Triumph Thermal Systems - Maryland, Inc. · NSN 4710-00-877-9131 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-877-9131 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-877-9131. Primary manufacturer part number: 102643.
Features
  • Tube Assembly,metal — FSC 4710
  • Thread Direction: RIGHT-HAND SINGLE END
  • Nominal Thread Size: 0.562 INCHES SINGLE END IN
  • Wall Thickness: 0.035 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY 5052 TUBING
  • Material Document and Classification: WW-T-787, TEMPER O-CANCELED FED SPEC SINGLE MATERIAL RESPONSE TUBING
  • Thread Series Designator: UNF SINGLE END
  • Tube Outside Diameter: 0.375 INCHES NOMINAL IN
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 4710-00-877-9131, 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 14 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
NSN4710-00-877-9131
Primary Part Number102643
Item NameTube Assembly,metal
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerTriumph Thermal Systems - Maryland, Inc.
StatusACTIVE
Thread DirectionRIGHT-HAND SINGLE END
Nominal Thread Size0.562 INCHES SINGLE END IN
Wall Thickness0.035 INCHES NOMINAL IN
MaterialALUMINUM ALLOY 5052 TUBING
Material Document and ClassificationWW-T-787, TEMPER O-CANCELED FED SPEC SINGLE MATERIAL RESPONSE TUBING
Thread Series DesignatorUNF SINGLE END
Tube Outside Diameter0.375 INCHES NOMINAL IN
Seat Angle in Deg33.00 SINGLE END
Design FormPREBENT
MaterialALUMINUM ALLOY SINGLE END
End Connection StyleSWIVEL NUT, FLARED SINGLE END
End Connection Spec/stdAN,AN818,AN818-6D,MIL-STD,MS20819,MS20819-6D
Mating End Quantity2 SINGLE END
Thread Class3B SINGLE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5325-00-281-8639102643 INTERCHANGEABLE
Stud,snapslide Fastener
Textron Aviation Inc
5340-00-717-8876102643 INTERCHANGEABLE
Bracket,mounting
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5895-01-010-625510264-3 INTERCHANGEABLE
Coupler,transmitter
Anaren, Inc. Div Anaren Microwave Inc
Cross-Reference Index
Part NumberManufacturer
102643 Triumph Thermal Systems - Maryland, Inc. (USA)
102643 Defense & Development Enterprises Llc (USA)
Related Parts
5325-00-281-8639INTERCHANGEABLE
STUD,SNAPSLIDE FASTENER
102643
5340-00-717-8876INTERCHANGEABLE
BRACKET,MOUNTING
102643
5895-01-010-6255INTERCHANGEABLE
COUPLER,TRANSMITTER
10264-3

Frequently Asked Questions

What is NSN 4710-00-877-9131?

NSN 4710-00-877-9131 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 4710-00-877-9131?

NSN 4710-00-877-9131 has 2 cross-referenced part numbers: 102643 (Triumph Thermal Systems - Maryland, Inc.), 102643 (Defense & Development Enterprises Llc).

What NSN replaces 4710-00-877-9131?

There are 3 known substitutes for 4710-00-877-9131: 5325-00-281-8639, 5340-00-717-8876, 5895-01-010-6255. Verify interchangeability with system specifications before substitution.

What are the specifications of 102643?

Key specifications for 102643: Thread Direction: RIGHT-HAND SINGLE END; Nominal Thread Size: 0.562 INCHES SINGLE END IN; Wall Thickness: 0.035 INCHES NOMINAL IN; Material: ALUMINUM ALLOY 5052 TUBING. 14 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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