PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

340178R91Thermostat,flow Control

Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ · NSN 6685-00-833-6914 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-833-6914 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-833-6914. Primary manufacturer part number: 340178R91.
Features
  • Thermostat,flow Control — FSC 6685
  • 4 verified cross-references
  • Primary manufacturer: Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermostat,flow Control, cataloged under National Stock Number 6685-00-833-6914, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameThermostat,flow Control
FSC / FSG6685 — No Item Name Available (FSG 66)
ManufacturersNavistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (CAGE 92679); Cummins Inc. (CAGE 15434); Scovill Inc (CAGE 53705)
Technical Specifications
ParameterValue
NSN6685-00-833-6914
Primary Part Number340178R91
Item NameThermostat,flow Control
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerNavistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5365-00-560-8091143073 INTERCHANGEABLE
Spacer,plate
Telemechanics Inc
5950-01-017-0769143073 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
340178R91 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
143073 Cummins Inc. (USA)
VD10124B Scovill Inc (USA)
VD101E-3 Scovill Inc (USA)
Related Parts
5365-00-560-8091INTERCHANGEABLE
SPACER,PLATE
143073
5950-01-017-0769INTERCHANGEABLE
TRANSFORMER,POWER
143073

Frequently Asked Questions

What is NSN 6685-00-833-6914?

NSN 6685-00-833-6914 is a Thermostat,flow Control, manufactured by Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-833-6914?

NSN 6685-00-833-6914 has 4 cross-referenced part numbers: 340178R91 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 143073 (Cummins Inc.), VD10124B (Scovill Inc), VD101E-3 (Scovill Inc).

What NSN replaces 6685-00-833-6914?

There are 2 known substitutes for 6685-00-833-6914: 5365-00-560-8091, 5950-01-017-0769. Verify interchangeability with system specifications before substitution.

Is NSN 6685-00-833-6914 still in active supply?

NSN 6685-00-833-6914 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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