PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MI-J-3-304-6-U-SHAThermocouple,heating Element

The Electric Heater Co Dba Hubbell Electric Heater Co. · NSN 6685-01-614-9819 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-614-9819 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-614-9819. Primary manufacturer part number: MI-J-3-304-6-U-SHA.
Features
  • Thermocouple,heating Element — FSC 6685
  • 4 verified cross-references
  • Primary manufacturer: The Electric Heater Co Dba Hubbell Electric Heater Co.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermocouple,heating Element, cataloged under National Stock Number 6685-01-614-9819, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is The Electric Heater Co Dba Hubbell Electric Heater Co.. This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-614-9819
Primary Part NumberMI-J-3-304-6-U-SHA
Item NameThermocouple,heating Element
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerThe Electric Heater Co Dba Hubbell Electric Heater Co.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-071-0273 INTERCHANGEABLE
Ring,bearing,inner
4720-00-207-287717766-02 INTERCHANGEABLE
Hose Assembly,nonmetallic
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
4720-00-207-288017766-04 INTERCHANGEABLE
Hose Assembly,nonmetallic
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
4720-00-207-288117766-27 INTERCHANGEABLE
Hose Assembly,nonmetallic
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
4720-00-207-288417766-73 INTERCHANGEABLE
Hose Assembly,nonmetallic
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
4720-00-207-288517766-91 INTERCHANGEABLE
Hose Assembly,nonmetallic
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
4720-00-207-290717766-93 INTERCHANGEABLE
Hose Assembly,nonmetallic
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5910-00-241-128017767 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Bosch Security Systems, Llc
5330-00-364-348817766 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
6625-00-539-854017767 INTERCHANGEABLE
Galvanometer
Honeywell Inc Process Control Div
Cross-Reference Index
Part NumberManufacturer
17766 The Electric Heater Co Dba Hubbell Electric Heater Co. (USA)
PL-HUBPTD-66 PC.NO 21 The Electric Heater Co Dba Hubbell Electric Heater Co. (USA)
17767 The Electric Heater Co Dba Hubbell Electric Heater Co. (USA)
MI-J-3-304-6-U-SHA PRIMARY The Electric Heater Co Dba Hubbell Electric Heater Co. (USA)
Related Parts
3110-00-071-0273INTERCHANGEABLE
RING,BEARING,INNER
4720-00-207-2877INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
17766-02
4720-00-207-2880INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
17766-04
4720-00-207-2881INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
17766-27
4720-00-207-2884INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
17766-73
4720-00-207-2885INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
17766-91
4720-00-207-2907INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
17766-93
5910-00-241-1280INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
17767
5330-00-364-3488INTERCHANGEABLE
GASKET
17766
6625-00-539-8540INTERCHANGEABLE
GALVANOMETER
17767
4720-01-037-7412INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
17766-101
5950-01-070-8480INTERCHANGEABLE
TRANSFORMER,POWER
17766

Frequently Asked Questions

What is NSN 6685-01-614-9819?

NSN 6685-01-614-9819 is a Thermocouple,heating Element, manufactured by The Electric Heater Co Dba Hubbell Electric Heater Co., classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-614-9819?

NSN 6685-01-614-9819 has 4 cross-referenced part numbers: 17766 (The Electric Heater Co Dba Hubbell Electric Heater Co.), PL-HUBPTD-66 PC.NO 21 (The Electric Heater Co Dba Hubbell Electric Heater Co.), 17767 (The Electric Heater Co Dba Hubbell Electric Heater Co.), MI-J-3-304-6-U-SHA (The Electric Heater Co Dba Hubbell Electric Heater Co.).

What NSN replaces 6685-01-614-9819?

There are 12 known substitutes for 6685-01-614-9819: 3110-00-071-0273, 4720-00-207-2877, 4720-00-207-2880 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MI-J-3-304-6-U-SHA?

Key specifications for MI-J-3-304-6-U-SHA: End Item Identification: HEATER, WATER; Part Name Assigned by Controlling Agency: MINERAL INSULATED "MI" THERMOCOUPLES; Overall Length: 6.0 INCHES NOMINAL IN. 3 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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