PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F502-DY-2P-CNTBHeater,fluid,industrial

Young Touchstone Company Div Young Touchstone · NSN 4420-01-335-9739 · FSC 4420 · No Item Name Available
Verified by PartsTable
NSN 4420-01-335-9739 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-335-9739. Primary manufacturer part number: F502-DY-2P-CNTB.
Features
  • Heater,fluid,industrial — FSC 4420
  • Style Designator: COILED PLAIN TYPE
  • 3 verified cross-references
  • Primary manufacturer: Young Touchstone Company Div Young Touchstone
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Heater,fluid,industrial, cataloged under National Stock Number 4420-01-335-9739, is classified within Federal Supply Class 4420 (No Item Name Available) of the Furnace, Steam, Drying, Nuclear Reactors group. The primary manufacturer of record is Young Touchstone Company Div Young Touchstone. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4420-01-335-9739
Primary Part NumberF502-DY-2P-CNTB
Item NameHeater,fluid,industrial
FSC / FSG4420 / 44 — No Item Name Available
ManufacturerYoung Touchstone Company Div Young Touchstone
StatusACTIVE
Style DesignatorCOILED PLAIN TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-640-9583630889 INTERCHANGEABLE
Gasket
Am General Llc
5950-00-645-0127 INTERCHANGEABLE
Transformer,power
4320-00-723-1971DS-921808 INTERCHANGEABLE
Sleeve,adjusting
Eaton Aerospace, Llc Dba Jackson South
6150-01-047-534917254 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
4820-01-335-9881 INTERCHANGEABLE
Valve,proportional
4820-01-336-3276HC-G1-02 INTERCHANGEABLE
Valve,angle
Parker Hannifin Corporation Dba Quick Coupling Div Div Quick Coupling Division Bruning Operation
4820-01-336-3280C5G-825-S3 INTERCHANGEABLE
Valve,check
Eaton Aerospace, Llc Dba Jackson South
4820-01-336-60092470B-11E0-V INTERCHANGEABLE
Valve,regulating,temperature
Amot Controls Llc
3040-01-337-4666 INTERCHANGEABLE
Filler,breather
6760-01-442-400017254 INTERCHANGEABLE
Holder,mirror
Mekel Technology, Inc.
Cross-Reference Index
Part NumberManufacturer
17254 Northern Line Machine Div of Commencement Intl Corp (USA)
17254 ITEM 11 Northern Line Machine Div of Commencement Intl Corp (USA)
F502-DY-2P-CNTB PRIMARY Young Touchstone Company Div Young Touchstone (USA)
Related Parts
5330-00-640-9583INTERCHANGEABLE
GASKET
630889
5950-00-645-0127INTERCHANGEABLE
TRANSFORMER,POWER
4320-00-723-1971INTERCHANGEABLE
SLEEVE,ADJUSTING
DS-921808
6150-01-047-5349INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
17254
4820-01-335-9881INTERCHANGEABLE
VALVE,PROPORTIONAL
4820-01-336-3276INTERCHANGEABLE
VALVE,ANGLE
HC-G1-02
4820-01-336-3280INTERCHANGEABLE
VALVE,CHECK
C5G-825-S3
4820-01-336-6009INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
2470B-11E0-V
3040-01-337-4666INTERCHANGEABLE
FILLER,BREATHER
6760-01-442-4000INTERCHANGEABLE
HOLDER,MIRROR
17254

Frequently Asked Questions

What is NSN 4420-01-335-9739?

NSN 4420-01-335-9739 is a Heater,fluid,industrial, manufactured by Young Touchstone Company Div Young Touchstone, classified under FSC 4420 (No Item Name Available). Status: active.

What are the part numbers for NSN 4420-01-335-9739?

NSN 4420-01-335-9739 has 3 cross-referenced part numbers: 17254 (Northern Line Machine Div of Commencement Intl Corp), 17254 ITEM 11 (Northern Line Machine Div of Commencement Intl Corp), F502-DY-2P-CNTB (Young Touchstone Company Div Young Touchstone).

What NSN replaces 4420-01-335-9739?

There are 10 known substitutes for 4420-01-335-9739: 5330-00-640-9583, 5950-00-645-0127, 4320-00-723-1971 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F502-DY-2P-CNTB?

Key specifications for F502-DY-2P-CNTB: Style Designator: COILED PLAIN TYPE. 1 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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