PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

111333Thermostat,flow Control

Cummins Inc. · NSN 6685-00-305-8405 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-305-8405 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-305-8405. Primary manufacturer part number: 111333.
Features
  • Thermostat,flow Control — FSC 6685
  • FSC Application Data: ENGINES
  • Operating Temp Rating: 195.0 FAHRENHEIT NOMINAL DEGF
  • Valve Travel Distance: 0.250 INCHES NOMINAL IN
  • Spring Operated Pressure Relief: NOT PROVIDED
  • Thermostat Type: SOLID EXPANSION
  • Usage Design: COOL CIRCULATING WATER
  • Flow Control Device: CHOKE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermostat,flow Control, cataloged under National Stock Number 6685-00-305-8405, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-305-8405
Primary Part Number111333
Item NameThermostat,flow Control
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerCummins Inc.
StatusACTIVE
FSC Application DataENGINES
Operating Temp Rating195.0 FAHRENHEIT NOMINAL DEGF
Valve Travel Distance0.250 INCHES NOMINAL IN
Spring Operated Pressure ReliefNOT PROVIDED
Thermostat TypeSOLID EXPANSION
Usage DesignCOOL CIRCULATING WATER
Flow Control DeviceCHOKE
Opening Temp Rating175.0 FAHRENHEIT NOMINAL DEGF
Largest Outside Diameter2.485 INCHES MINIMUM AND 2.495 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-007-8713 INTERCHANGEABLE
Electronic Components Assembly
6740-00-397-4075 INTERCHANGEABLE
Slider,16 Mm Pin
6220-00-703-099631857 INTERCHANGEABLE
Housing,light Fixture
Grimes Aerospace Company
5331-00-842-0567AS3578-229 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4730-01-152-7724700-86 INTERCHANGEABLE
Clamp,hose
Ray R G Corp
5930-01-154-73546086421-1 INTERCHANGEABLE
Boot,dust and Moisture Seal
Lockheed Martin Corporation Div Rms - Manassas
5930-01-299-631431857 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5330-01-306-462931857 INTERCHANGEABLE
Packing,preformed
Funk Mfg Co Sub of Deere and Co
4320-01-351-787470086 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Mohn Frank Houston Inc
6750-01-391-8659 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
31857 Ideal Instruments Inc (USA)
111333 PRIMARY Cummins Inc. (USA)
70086 Cummins Inc. (USA)
Related Parts
5998-00-007-8713INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
6740-00-397-4075INTERCHANGEABLE
SLIDER,16 MM PIN
6220-00-703-0996INTERCHANGEABLE
HOUSING,LIGHT FIXTURE
31857
5331-00-842-0567INTERCHANGEABLE
O-RING
AS3578-229
4730-01-152-7724INTERCHANGEABLE
CLAMP,HOSE
700-86
5930-01-154-7354INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
6086421-1
5930-01-299-6314INTERCHANGEABLE
SWITCH,FLOW
31857
5330-01-306-4629INTERCHANGEABLE
PACKING,PREFORMED
31857
4320-01-351-7874INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
70086
6750-01-391-8659INTERCHANGEABLE
FILM,PHOTOGRAPHIC
2910-01-443-6227INTERCHANGEABLE
FILTER ELEMENT,FLUID
31649
1005-01-480-6661INTERCHANGEABLE
RETAINER,GUN COMPONENT
70086

Frequently Asked Questions

What is NSN 6685-00-305-8405?

NSN 6685-00-305-8405 is a Thermostat,flow Control, manufactured by Cummins Inc., classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-305-8405?

NSN 6685-00-305-8405 has 3 cross-referenced part numbers: 31857 (Ideal Instruments Inc), 111333 (Cummins Inc.), 70086 (Cummins Inc.).

What NSN replaces 6685-00-305-8405?

There are 12 known substitutes for 6685-00-305-8405: 5998-00-007-8713, 6740-00-397-4075, 6220-00-703-0996 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 111333?

Key specifications for 111333: FSC Application Data: ENGINES; Operating Temp Rating: 195.0 FAHRENHEIT NOMINAL DEGF; Valve Travel Distance: 0.250 INCHES NOMINAL IN; Spring Operated Pressure Relief: NOT PROVIDED. 10 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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