PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4F806-1Thermostat,flow Control

Standard-Thomson Corporation · NSN 6685-00-737-5211 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-737-5211 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-737-5211. Primary manufacturer part number: 4F806-1.
Features
  • Thermostat,flow Control — FSC 6685
  • Mounting Method: FLANGE
  • Accessory Components and Quantity: C/O 1 GASKET,MTG
  • Thermostat Type: SOLID EXPANSION
  • Usage Design: COOL ENGINE WATER
  • Spring Operated Pressure Relief: NOT PROVIDED
  • Opening Temp Rating: 157.0 FAHRENHEIT MINIMUM AND 162.0 FAHRENHEIT MAXIMUM DEGF
  • Valve Travel Distance: 0.4062 INCHES MINIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermostat,flow Control, cataloged under National Stock Number 6685-00-737-5211, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Standard-Thomson Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-737-5211
Primary Part Number4F806-1
Item NameThermostat,flow Control
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerStandard-Thomson Corporation
StatusCANCELLED
Mounting MethodFLANGE
Accessory Components and QuantityC/O 1 GASKET,MTG
Thermostat TypeSOLID EXPANSION
Usage DesignCOOL ENGINE WATER
Spring Operated Pressure ReliefNOT PROVIDED
Opening Temp Rating157.0 FAHRENHEIT MINIMUM AND 162.0 FAHRENHEIT MAXIMUM DEGF
Valve Travel Distance0.4062 INCHES MINIMUM IN
Flow Control DeviceBUTTERFLY
Operating Temp Rating182.0 FAHRENHEIT NOMINAL DEGF
Largest Outside Diameter2.547 INCHES MINIMUM AND 2.552 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
2910-00-313-6711 INTERCHANGEABLE
Shaft and Lever Ass
5330-00-358-4730620977 INTERCHANGEABLE
Gasket
Dana Off Highway Products, Llc
6110-00-925-0238 INTERCHANGEABLE
Brake,electric
Cross-Reference Index
Part NumberManufacturer
3146588M0DELT226 General Motors Corp (USA)
3146588M0DELT226 General Motors Corp AC-Delco Div Government Order Dept (USA)
J-27923-6 Eaton Corp Controls Div (USA)
BJ12685 Eaton Corp Controls Div (USA)
3146588 General Motors Corp (USA)
J-27923-1 Eaton Corp Controls Div (USA)
DVL3-160C Scovill Inc (USA)
4F806-1 PRIMARY Standard-Thomson Corporation (USA)
13926 Stant Mfg Co Inc (USA)
CJ7732 Eaton Corp Controls Div (USA)
3146588 General Motors Corp AC-Delco Div Government Order Dept (USA)
T427K4050 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
Related Parts
2910-00-313-6711INTERCHANGEABLE
SHAFT AND LEVER ASS
5330-00-358-4730INTERCHANGEABLE
GASKET
620977
6110-00-925-0238INTERCHANGEABLE
BRAKE,ELECTRIC

Frequently Asked Questions

What is NSN 6685-00-737-5211?

NSN 6685-00-737-5211 is a Thermostat,flow Control, manufactured by Standard-Thomson Corporation, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-737-5211?

NSN 6685-00-737-5211 has 12 cross-referenced part numbers: 3146588M0DELT226 (General Motors Corp), 3146588M0DELT226 (General Motors Corp AC-Delco Div Government Order Dept), J-27923-6 (Eaton Corp Controls Div), BJ12685 (Eaton Corp Controls Div), 3146588 (General Motors Corp) and 7 more.

What NSN replaces 6685-00-737-5211?

There are 3 known substitutes for 6685-00-737-5211: 2910-00-313-6711, 5330-00-358-4730, 6110-00-925-0238. Verify interchangeability with system specifications before substitution.

What are the specifications of 4F806-1?

Key specifications for 4F806-1: Mounting Method: FLANGE; Accessory Components and Quantity: C/O 1 GASKET,MTG; Thermostat Type: SOLID EXPANSION; Usage Design: COOL ENGINE WATER. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-737-5211 still in active supply?

NSN 6685-00-737-5211 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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