PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3008594Thermostat,flow Control

Cummins Inc. · NSN 6685-00-530-3911 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-530-3911 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-530-3911. Primary manufacturer part number: 3008594.
Features
  • Thermostat,flow Control — FSC 6685
  • Valve Travel Distance: 0.469 INCHES NOMINAL IN
  • Operating Temp Rating: 165.0 FAHRENHEIT MINIMUM AND 170.0 FAHRENHEIT MAXIMUM DEGF
  • Mounting Method: FLANGE
  • Largest Outside Diameter: 2.462 INCHES MINIMUM AND 2.465 INCHES MAXIMUM IN
  • Opening Temp Rating: 145.0 FAHRENHEIT MINIMUM AND 150.0 FAHRENHEIT MAXIMUM DEGF
  • Thermostat Type: BELLOWS
  • Usage Design: MAINTAIN ENGINE COOLANT TEMP
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermostat,flow Control, cataloged under National Stock Number 6685-00-530-3911, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 9 verified specifications, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-530-3911
Primary Part Number3008594
Item NameThermostat,flow Control
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerCummins Inc.
StatusCANCELLED
Valve Travel Distance0.469 INCHES NOMINAL IN
Operating Temp Rating165.0 FAHRENHEIT MINIMUM AND 170.0 FAHRENHEIT MAXIMUM DEGF
Mounting MethodFLANGE
Largest Outside Diameter2.462 INCHES MINIMUM AND 2.465 INCHES MAXIMUM IN
Opening Temp Rating145.0 FAHRENHEIT MINIMUM AND 150.0 FAHRENHEIT MAXIMUM DEGF
Thermostat TypeBELLOWS
Usage DesignMAINTAIN ENGINE COOLANT TEMP
Flow Control DeviceBY-PASS
Spring Operated Pressure ReliefNOT PROVIDED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3110-00-155-6659105M INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
3415-01-313-6539105W INTERCHANGEABLE
Grinding Machine,utility
Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.
5180-01-377-1228 INTERCHANGEABLE
Twister Kit,safety Wire
Cross-Reference Index
Part NumberManufacturer
S2643 Cummins Inc. (USA)
105W Schneider Electric Systems Usa Inc (USA)
3008594 PRIMARY Cummins Inc. (USA)
Related Parts
3110-00-155-6659INTERCHANGEABLE
BEARING,BALL,ANNULAR
105M
3415-01-313-6539INTERCHANGEABLE
GRINDING MACHINE,UTILITY
105W
5180-01-377-1228INTERCHANGEABLE
TWISTER KIT,SAFETY WIRE

Frequently Asked Questions

What is NSN 6685-00-530-3911?

NSN 6685-00-530-3911 is a Thermostat,flow Control, manufactured by Cummins Inc., classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-530-3911?

NSN 6685-00-530-3911 has 3 cross-referenced part numbers: S2643 (Cummins Inc.), 105W (Schneider Electric Systems Usa Inc), 3008594 (Cummins Inc.).

What NSN replaces 6685-00-530-3911?

There are 3 known substitutes for 6685-00-530-3911: 3110-00-155-6659, 3415-01-313-6539, 5180-01-377-1228. Verify interchangeability with system specifications before substitution.

What are the specifications of 3008594?

Key specifications for 3008594: Valve Travel Distance: 0.469 INCHES NOMINAL IN; Overall Height: 4.281 INCHES NOMINAL IN; Operating Temp Rating: 165.0 FAHRENHEIT MINIMUM AND 170.0 FAHRENHEIT MAXIMUM DEGF; Mounting Method: FLANGE. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-530-3911 still in active supply?

NSN 6685-00-530-3911 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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