PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31559-200Tube Assembly,metal,branched

Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders · NSN 4710-00-944-1898 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-944-1898 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-944-1898. Primary manufacturer part number: 31559-200.
Features
  • Tube Assembly,metal,branched — FSC 4710
  • Design Form: PREBENT
  • Branch Quantity: 3
  • Material: STEEL CORROSION RESISTING
  • 4 verified cross-references
  • Primary manufacturer: Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Tube Assembly,metal,branched, cataloged under National Stock Number 4710-00-944-1898, 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 Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4710-00-944-1898
Primary Part Number31559-200
Item NameTube Assembly,metal,branched
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerSmiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders
StatusACTIVE
Design FormPREBENT
Branch Quantity3
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-052-6454 INTERCHANGEABLE
Washer,lock
5110-00-156-0065 INTERCHANGEABLE
File,hand
3455-00-250-0778FX-28 INTERCHANGEABLE
Cutter,milling,end
Pohl Tool Co
6625-00-503-4921 INTERCHANGEABLE
Filter,light,cathode Ray Tube
6240-01-459-197231559 INTERCHANGEABLE
Lamp,metal Halide
Venture Lighting International, Inc. Dba Venture Lighting Intl
4810-01-466-1928315-59 INTERCHANGEABLE
Valve,solenoid
Rix Industries
4310-01-526-3860 INTERCHANGEABLE
Breather
Cross-Reference Index
Part NumberManufacturer
31559 Rtx Corporation Div Pratt & Whitney (USA)
31559-200 PRIMARY Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders (USA)
31559 Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA)
31559-200 Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
5310-00-052-6454INTERCHANGEABLE
WASHER,LOCK
5110-00-156-0065INTERCHANGEABLE
FILE,HAND
3455-00-250-0778INTERCHANGEABLE
CUTTER,MILLING,END
FX-28
6625-00-503-4921INTERCHANGEABLE
FILTER,LIGHT,CATHODE RAY TUBE
6240-01-459-1972INTERCHANGEABLE
LAMP,METAL HALIDE
31559
4810-01-466-1928INTERCHANGEABLE
VALVE,SOLENOID
315-59
4310-01-526-3860INTERCHANGEABLE
BREATHER

Frequently Asked Questions

What is NSN 4710-00-944-1898?

NSN 4710-00-944-1898 is a Tube Assembly,metal,branched, manufactured by Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders, classified under FSC 4710 (No Item Name Available). Status: active.

What are the part numbers for NSN 4710-00-944-1898?

NSN 4710-00-944-1898 has 4 cross-referenced part numbers: 31559 (Rtx Corporation Div Pratt & Whitney), 31559-200 (Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders), 31559 (Solar Turbines Incorporated Dba Solar Turbines Incorporated), 31559-200 (Rtx Corporation Div Pratt & Whitney).

What NSN replaces 4710-00-944-1898?

There are 7 known substitutes for 4710-00-944-1898: 5310-00-052-6454, 5110-00-156-0065, 3455-00-250-0778 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31559-200?

Key specifications for 31559-200: Design Form: PREBENT; Branch Quantity: 3; Material: STEEL CORROSION RESISTING. 3 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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