PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66550Tubing,nonmetallic

Nycoil Co · NSN 4720-01-040-4175 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-040-4175 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-040-4175. Primary manufacturer part number: 66550.
Features
  • Tubing,nonmetallic — FSC 4720
  • Material: PLASTIC, POLYETHYLENE (PP) TUBE
  • Inside Surface Condition: SMOOTH
  • Outside Diameter: 0.313 INCHES NOMINAL IN
  • Inside Diameter: 0.188 INCHES NOMINAL IN
  • Flexibility: FLEXIBLE
  • Cross-Sectional Shape Style: ROUND
  • 5 verified cross-references
Applications
  • Applications requiring Plastic, Polyethylene (pp) Tube construction
General Description

The Tubing,nonmetallic, cataloged under National Stock Number 4720-01-040-4175, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Nycoil Co. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN4720-01-040-4175
Primary Part Number66550
Item NameTubing,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerNycoil Co
StatusACTIVE
MaterialPLASTIC, POLYETHYLENE (PP) TUBE
Inside Surface ConditionSMOOTH
Outside Diameter0.313 INCHES NOMINAL IN
Inside Diameter0.188 INCHES NOMINAL IN
FlexibilityFLEXIBLE
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6665-00-235-3820 INTERCHANGEABLE
Detector Pad,free Water
5120-01-562-949741-90625-50 INTERCHANGEABLE
Wrench,impact,manual
Power Hawk Technologies, Inc.
5305-01-652-72104066550 INTERCHANGEABLE
Screw,machine
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
40-66550 Nycoil Co (USA)
802215 Nike Ihm, Inc. (USA)
66550 PRIMARY Nycoil Co (USA)
62550 Nycoil Co (USA)
SIZE3 Cope Plastics Inc (USA)
Related Parts
6665-00-235-3820INTERCHANGEABLE
DETECTOR PAD,FREE WATER
5120-01-562-9497INTERCHANGEABLE
WRENCH,IMPACT,MANUAL
41-90625-50
5305-01-652-7210INTERCHANGEABLE
SCREW,MACHINE
4066550

Frequently Asked Questions

What is NSN 4720-01-040-4175?

NSN 4720-01-040-4175 is a Tubing,nonmetallic, manufactured by Nycoil Co, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-040-4175?

NSN 4720-01-040-4175 has 5 cross-referenced part numbers: 40-66550 (Nycoil Co), 802215 (Nike Ihm, Inc.), 66550 (Nycoil Co), 62550 (Nycoil Co), SIZE3 (Cope Plastics Inc).

What NSN replaces 4720-01-040-4175?

There are 3 known substitutes for 4720-01-040-4175: 6665-00-235-3820, 5120-01-562-9497, 5305-01-652-7210. Verify interchangeability with system specifications before substitution.

What are the specifications of 66550?

Key specifications for 66550: Material: PLASTIC, POLYETHYLENE (PP) TUBE; Inside Surface Condition: SMOOTH; Outside Diameter: 0.313 INCHES NOMINAL IN; Inside Diameter: 0.188 INCHES NOMINAL IN. 6 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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