PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3100-3-630Thermostat,flow Control

Honeywell International Inc. Dba Honeywell Div Sensing and Control · NSN 6685-01-356-6918 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-356-6918 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-356-6918. Primary manufacturer part number: 3100-3-630.
Features
  • Thermostat,flow Control — FSC 6685
  • Distance Across Flats: 0.937 INCHES NOMINAL IN
  • Opening Temp Rating: 112.0 FAHRENHEIT NOMINAL DEGF
  • Thermostat Type: SOLID EXPANSION
  • Mounting Method: SURFACE
  • 2 verified cross-references
  • Primary manufacturer: Honeywell International Inc. Dba Honeywell Div Sensing and Control
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermostat,flow Control, cataloged under National Stock Number 6685-01-356-6918, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Honeywell International Inc. Dba Honeywell Div Sensing and Control. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-356-6918
Primary Part Number3100-3-630
Item NameThermostat,flow Control
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell Div Sensing and Control
StatusACTIVE
Distance Across Flats0.937 INCHES NOMINAL IN
Opening Temp Rating112.0 FAHRENHEIT NOMINAL DEGF
Thermostat TypeSOLID EXPANSION
Mounting MethodSURFACE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5935-00-201-820697-5105-14S5P INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corp Div Amphenol Aerospace Operations
3040-00-434-653632871 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
5915-00-759-1307 INTERCHANGEABLE
Filter,radio Frequency Interfere
5935-00-833-63243287-1 INTERCHANGEABLE
Adapter,electrical
Microwave Devices Inc
4210-00-889-249111340 INTERCHANGEABLE
Extinguisher,fire
Buckeye Fire Equipment Co
2530-00-916-3431328-71-1 INTERCHANGEABLE
Brake Lining Kit
Cmbf, Llc Dba Cmbf Llc
2925-01-171-246032871 INTERCHANGEABLE
Lead,ignition,engine
Unison Industries Llc
4210-01-238-1861 INTERCHANGEABLE
Extinguisher,fire
Cross-Reference Index
Part NumberManufacturer
3100-3-630 PRIMARY Honeywell International Inc. Dba Honeywell Div Sensing and Control (USA)
32871 Williams International Co., L.l.c. (USA)
Related Parts
5935-00-201-8206INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
97-5105-14S5P
3040-00-434-6536INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
32871
5915-00-759-1307INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5935-00-833-6324INTERCHANGEABLE
ADAPTER,ELECTRICAL
3287-1
4210-00-889-2491INTERCHANGEABLE
EXTINGUISHER,FIRE
11340
2530-00-916-3431INTERCHANGEABLE
BRAKE LINING KIT
328-71-1
2925-01-171-2460INTERCHANGEABLE
LEAD,IGNITION,ENGINE
32871
4210-01-238-1861INTERCHANGEABLE
EXTINGUISHER,FIRE

Frequently Asked Questions

What is NSN 6685-01-356-6918?

NSN 6685-01-356-6918 is a Thermostat,flow Control, manufactured by Honeywell International Inc. Dba Honeywell Div Sensing and Control, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-356-6918?

NSN 6685-01-356-6918 has 2 cross-referenced part numbers: 3100-3-630 (Honeywell International Inc. Dba Honeywell Div Sensing and Control), 32871 (Williams International Co., L.l.c.).

What NSN replaces 6685-01-356-6918?

There are 8 known substitutes for 6685-01-356-6918: 5935-00-201-8206, 3040-00-434-6536, 5915-00-759-1307 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3100-3-630?

Key specifications for 3100-3-630: Distance Across Flats: 0.937 INCHES NOMINAL IN; Opening Temp Rating: 112.0 FAHRENHEIT NOMINAL DEGF; Thermostat Type: SOLID EXPANSION; Mounting Method: SURFACE. 4 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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