PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21185Tubing,nonmetallic

Renk America Llc Div Renk America · NSN 4720-00-203-3336 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-203-3336 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-203-3336. Primary manufacturer part number: 21185.
Features
  • Tubing,nonmetallic — FSC 4720
  • Measuring Method and Length: 0.813 INCHES MINIMUM OVERALL AND 0.937 INCHES MAXIMUM OVERALL IN
  • Outside Diameter: 1.750 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: ROUND
  • Inside Diameter: 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
  • Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
  • Exterior Color: BLACK
  • Flexibility: FLEXIBLE
Applications
  • Applications requiring Rubber Synthetic Tube construction
General Description

The Tubing,nonmetallic, cataloged under National Stock Number 4720-00-203-3336, 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 Renk America Llc Div Renk America. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-00-203-3336
Primary Part Number21185
Item NameTubing,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerRenk America Llc Div Renk America
StatusACTIVE
Measuring Method and Length0.813 INCHES MINIMUM OVERALL AND 0.937 INCHES MAXIMUM OVERALL IN
Outside Diameter1.750 INCHES NOMINAL IN
Cross-Sectional Shape StyleROUND
Inside Diameter1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
Exterior ColorBLACK
FlexibilityFLEXIBLE
MaterialRUBBER SYNTHETIC TUBE
Nonmetallic Hardness Rating50.0 MINIMUM SHORE DUROMETER A AND 70.0 MAXIMUM SHORE DUROMETER A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-287-2889146 INTERCHANGEABLE
Plug,pipe
Industrial Technologies and Services Llc
5310-00-432-813221185 INTERCHANGEABLE
Nut,hexagon
Dresser, Llc
6220-00-654-606630060-1 INTERCHANGEABLE
Light,navigational,aircraft
Grimes Aerospace Company
6210-01-019-6159 INTERCHANGEABLE
Filter,light
1680-01-101-550021185 INTERCHANGEABLE
Housing,piston
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
2540-01-718-681721185 INTERCHANGEABLE
Cover,fitted,vehicular Cab
Transhield, Inc.
Cross-Reference Index
Part NumberManufacturer
21185 PRIMARY Renk America Llc Div Renk America (USA)
Related Parts
4730-00-287-2889INTERCHANGEABLE
PLUG,PIPE
146
5310-00-432-8132INTERCHANGEABLE
NUT,HEXAGON
21185
6220-00-654-6066INTERCHANGEABLE
LIGHT,NAVIGATIONAL,AIRCRAFT
30060-1
6210-01-019-6159INTERCHANGEABLE
FILTER,LIGHT
1680-01-101-5500INTERCHANGEABLE
HOUSING,PISTON
21185
2540-01-718-6817INTERCHANGEABLE
COVER,FITTED,VEHICULAR CAB
21185

Frequently Asked Questions

What is NSN 4720-00-203-3336?

NSN 4720-00-203-3336 is a Tubing,nonmetallic, manufactured by Renk America Llc Div Renk America, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-203-3336?

NSN 4720-00-203-3336 has 1 cross-referenced part number: 21185 (Renk America Llc Div Renk America).

What NSN replaces 4720-00-203-3336?

There are 6 known substitutes for 4720-00-203-3336: 4730-00-287-2889, 5310-00-432-8132, 6220-00-654-6066 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21185?

Key specifications for 21185: Measuring Method and Length: 0.813 INCHES MINIMUM OVERALL AND 0.937 INCHES MAXIMUM OVERALL IN; Outside Diameter: 1.750 INCHES NOMINAL IN; Cross-Sectional Shape Style: ROUND; Inside Diameter: 1.484 INCHES MINIMUM AND 1.516 INCHES MAXIMUM IN. 9 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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