PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ZZT831Tubing,nonmetallic

Crown Products Co · NSN 4720-00-235-1776 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-235-1776 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-235-1776. Primary manufacturer part number: ZZT831.
Features
  • Tubing,nonmetallic — FSC 4720
  • Outside Diameter: 0.688 INCHES NOMINAL IN
  • Exterior Color: BLACK
  • Inside Surface Condition: SMOOTH
  • Minimum Tensile Strength: 700 POUNDS PER SQUARE INCH LBS
  • Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS
  • Flexibility: FLEXIBLE
  • Inside Diameter: 0.438 INCHES NOMINAL IN
Applications
  • Applications requiring Rubber Synthetic Tube construction
General Description

The Tubing,nonmetallic, cataloged under National Stock Number 4720-00-235-1776, 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 Crown Products Co. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4720-00-235-1776
Primary Part NumberZZT831
Item NameTubing,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerCrown Products Co
StatusCANCELLED
Outside Diameter0.688 INCHES NOMINAL IN
Exterior ColorBLACK
Inside Surface ConditionSMOOTH
Minimum Tensile Strength700 POUNDS PER SQUARE INCH LBS
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS
FlexibilityFLEXIBLE
Inside Diameter0.438 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC TUBE
Outer Covering Environmental ProtectionFIRE RETARDANT
Specification/standard Data81348-ZZ-T-831 GOVERNMENT SPECIFICATION
Cross-Sectional Shape StyleROUND
Media for Which DesignedWATER SINGLE RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5120-00-177-6815 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5950-00-230-0254T7607405-20 INTERCHANGEABLE
Transformer,radio Frequency
Westinghouse Electric Corp
5950-00-647-8165472-0495-000 INTERCHANGEABLE
Transformer,power
Hbc Solutions, Inc. Dba Harris Broadcast
5915-00-866-973347433 INTERCHANGEABLE
Filter Assembly,electrical
L3harris Technologies, Inc. Div Space and Airborne Systems
2540-01-173-465147430 INTERCHANGEABLE
Bracket,seat,vehicular
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
Cross-Reference Index
Part NumberManufacturer
ZZT831 Crown Products Co
5279-A Hoyt Corporation (USA)
47430 Hdt Expeditionary Systems Inc (USA)
ZZ-T-831 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5120-00-177-6815INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5950-00-230-0254INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
T7607405-20
5950-00-647-8165INTERCHANGEABLE
TRANSFORMER,POWER
472-0495-000
5915-00-866-9733INTERCHANGEABLE
FILTER ASSEMBLY,ELECTRICAL
47433
2540-01-173-4651INTERCHANGEABLE
BRACKET,SEAT,VEHICULAR
47430

Frequently Asked Questions

What is NSN 4720-00-235-1776?

NSN 4720-00-235-1776 is a Tubing,nonmetallic, manufactured by Crown Products Co, classified under FSC 4720 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4720-00-235-1776?

NSN 4720-00-235-1776 has 4 cross-referenced part numbers: ZZT831 (Crown Products Co), 5279-A (Hoyt Corporation), 47430 (Hdt Expeditionary Systems Inc), ZZ-T-831 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 4720-00-235-1776?

There are 5 known substitutes for 4720-00-235-1776: 5120-00-177-6815, 5950-00-230-0254, 5950-00-647-8165 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ZZT831?

Key specifications for ZZT831: Outside Diameter: 0.688 INCHES NOMINAL IN; Exterior Color: BLACK; Inside Surface Condition: SMOOTH; Minimum Tensile Strength: 700 POUNDS PER SQUARE INCH LBS. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4720-00-235-1776 still in active supply?

NSN 4720-00-235-1776 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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