PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9540-51Tubing,nonmetallic

King Engineering Corporation Dba King-Gage Systems · NSN 4720-00-997-2337 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-997-2337 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-997-2337. Primary manufacturer part number: 9540-51.
Features
  • Tubing,nonmetallic — FSC 4720
  • Outer Covering Environmental Protection: ABRASION RESISTANT AND SOLVENT RESISTANT
  • Measuring Method and Length: 54.500 INCHES NOMINAL OVERALL IN
  • Inside Surface Condition: SMOOTH
  • Cross-Sectional Shape Style: ROUND
  • Inside Diameter: 0.205 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN
  • Outside Diameter: 0.444 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
  • Exterior Color: CLEAR
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Tubing,nonmetallic, cataloged under National Stock Number 4720-00-997-2337, 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 King Engineering Corporation Dba King-Gage Systems. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4720-00-997-2337
Primary Part Number9540-51
Item NameTubing,nonmetallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerKing Engineering Corporation Dba King-Gage Systems
StatusACTIVE
Outer Covering Environmental ProtectionABRASION RESISTANT AND SOLVENT RESISTANT
Measuring Method and Length54.500 INCHES NOMINAL OVERALL IN
Inside Surface ConditionSMOOTH
Cross-Sectional Shape StyleROUND
Inside Diameter0.205 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN
Outside Diameter0.444 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
Exterior ColorCLEAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-997-23398801-3-20 INTERCHANGEABLE
Gasket
King Engineering Corporation Dba King-Gage Systems
5330-00-997-23408801-3-35 INTERCHANGEABLE
Gasket
King Engineering Corporation Dba King-Gage Systems
Cross-Reference Index
Part NumberManufacturer
9540-51 PRIMARY King Engineering Corporation Dba King-Gage Systems (USA)
E4310 King Engineering Corporation Dba King-Gage Systems (USA)
Related Parts
5330-00-997-2339INTERCHANGEABLE
GASKET
8801-3-20
5330-00-997-2340INTERCHANGEABLE
GASKET
8801-3-35

Frequently Asked Questions

What is NSN 4720-00-997-2337?

NSN 4720-00-997-2337 is a Tubing,nonmetallic, manufactured by King Engineering Corporation Dba King-Gage Systems, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-997-2337?

NSN 4720-00-997-2337 has 2 cross-referenced part numbers: 9540-51 (King Engineering Corporation Dba King-Gage Systems), E4310 (King Engineering Corporation Dba King-Gage Systems).

What NSN replaces 4720-00-997-2337?

There are 2 known substitutes for 4720-00-997-2337: 5330-00-997-2339, 5330-00-997-2340. Verify interchangeability with system specifications before substitution.

What are the specifications of 9540-51?

Key specifications for 9540-51: Outer Covering Environmental Protection: ABRASION RESISTANT AND SOLVENT RESISTANT; Measuring Method and Length: 54.500 INCHES NOMINAL OVERALL IN; Inside Surface Condition: SMOOTH; Cross-Sectional Shape Style: ROUND. 7 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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