PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

331136Tube and Fittings,metallic

Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders · NSN 4710-00-602-8687 · FSC 4710 · No Item Name Available
Verified by PartsTable
NSN 4710-00-602-8687 — this item is cataloged by the U.S. Government under National Stock Number 4710-00-602-8687. Primary manufacturer part number: 331136.
Features
  • Tube and Fittings,metallic — FSC 4710
  • End Connection Style: SWIVEL NUT, FLARE SINGLE END
  • Wall Thickness: 0.035 INCHES NOMINAL IN
  • Material: STEEL COMP 321 TUBING
  • Mating End Quantity: 2 SINGLE END
  • Material: STEEL COMP 347 SINGLE END
  • Material Document and Classification: AMS 5646 ASSN STD 1ST MATERIAL RESPONSE SINGLE END
  • Tube Outside Diameter: 0.250 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 321 Tubing construction
General Description

The Tube and Fittings,metallic, cataloged under National Stock Number 4710-00-602-8687, 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 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4710-00-602-8687
Primary Part Number331136
Item NameTube and Fittings,metallic
FSC / FSG4710 / 47 — No Item Name Available
ManufacturerSmiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders
StatusACTIVE
End Connection StyleSWIVEL NUT, FLARE SINGLE END
Wall Thickness0.035 INCHES NOMINAL IN
MaterialSTEEL COMP 321 TUBING
Mating End Quantity2 SINGLE END
MaterialSTEEL COMP 347 SINGLE END
Material Document and ClassificationAMS 5646 ASSN STD 1ST MATERIAL RESPONSE SINGLE END
Tube Outside Diameter0.250 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) SINGLE END
Thread Class3B SINGLE END
Nominal Thread Size0.438 INCHES SINGLE END IN
Thread DirectionRIGHT-HAND SINGLE END
Material Document and ClassificationAMS 5576 ASSN STD SINGLE MATERIAL RESPONSE TUBING
Design FormPREBENT
Thread Quantity Per Inch20 SINGLE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5977-00-242-1348 INTERCHANGEABLE
Brush,electrical Contact
5965-01-024-7960 INTERCHANGEABLE
Headset,electrical
Cross-Reference Index
Part NumberManufacturer
331136 PRIMARY Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders (USA)
331136 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5977-00-242-1348INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5965-01-024-7960INTERCHANGEABLE
HEADSET,ELECTRICAL

Frequently Asked Questions

What is NSN 4710-00-602-8687?

NSN 4710-00-602-8687 is a Tube and Fittings,metallic, 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 4710-00-602-8687?

NSN 4710-00-602-8687 has 2 cross-referenced part numbers: 331136 (Smiths Tubular Systems-Laconia, Inc. Div Lewis & Saunders), 331136 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 4710-00-602-8687?

There are 2 known substitutes for 4710-00-602-8687: 5977-00-242-1348, 5965-01-024-7960. Verify interchangeability with system specifications before substitution.

What are the specifications of 331136?

Key specifications for 331136: End Connection Style: SWIVEL NUT, FLARE SINGLE END; Wall Thickness: 0.035 INCHES NOMINAL IN; Material: STEEL COMP 321 TUBING; Mating End Quantity: 2 SINGLE END. 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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