PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35-12500Thermostat,flow Control

Northern Lights Inc · NSN 6685-01-529-6428 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-529-6428 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-529-6428. Primary manufacturer part number: 35-12500.
Features
  • Thermostat,flow Control — FSC 6685
  • Mounting Method: CLAMP
  • Usage Design: M984 STANDARD
  • Spring Operated Pressure Relief: NOT PROVIDED
  • Thermostat Type: BELLOWS
  • 3 verified cross-references
  • Primary manufacturer: Northern Lights Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermostat,flow Control, cataloged under National Stock Number 6685-01-529-6428, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Northern Lights Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN6685-01-529-6428
Primary Part Number35-12500
Item NameThermostat,flow Control
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerNorthern Lights Inc
StatusACTIVE
Mounting MethodCLAMP
Usage DesignM984 STANDARD
Spring Operated Pressure ReliefNOT PROVIDED
Thermostat TypeBELLOWS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6210-00-683-0117351000-3 INTERCHANGEABLE
Control,electric Light
Essex Industries Inc Div Manufacturing Division
6210-00-683-0118 INTERCHANGEABLE
Control,electric Light
5961-00-686-8391 INTERCHANGEABLE
Semiconductor Device,diode
5935-01-030-7698 INTERCHANGEABLE
Connector,receptacle,electrical
2910-01-323-73734812066 INTERCHANGEABLE
Filter,fluid
Perkins Engines Inc
5980-01-433-5697 INTERCHANGEABLE
Switch,optoelectronic
5895-01-545-1889351000-1 INTERCHANGEABLE
Amplifier-Power Supply
Cubic Defense Applications, Inc.
5430-01-723-19453510004 INTERCHANGEABLE
Tank,liquid Storage
Delfield Company Dba Delfield Company
Cross-Reference Index
Part NumberManufacturer
35-12500 PRIMARY Northern Lights Inc (USA)
35-10004 Northern Lights Inc (USA)
35-10003 Northern Lights Inc (USA)
Related Parts
6210-00-683-0117INTERCHANGEABLE
CONTROL,ELECTRIC LIGHT
351000-3
6210-00-683-0118INTERCHANGEABLE
CONTROL,ELECTRIC LIGHT
5961-00-686-8391INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5935-01-030-7698INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2910-01-323-7373INTERCHANGEABLE
FILTER,FLUID
4812066
5980-01-433-5697INTERCHANGEABLE
SWITCH,OPTOELECTRONIC
5895-01-545-1889INTERCHANGEABLE
AMPLIFIER-POWER SUPPLY
351000-1
5430-01-723-1945INTERCHANGEABLE
TANK,LIQUID STORAGE
3510004

Frequently Asked Questions

What is NSN 6685-01-529-6428?

NSN 6685-01-529-6428 is a Thermostat,flow Control, manufactured by Northern Lights Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-529-6428?

NSN 6685-01-529-6428 has 3 cross-referenced part numbers: 35-12500 (Northern Lights Inc), 35-10004 (Northern Lights Inc), 35-10003 (Northern Lights Inc).

What NSN replaces 6685-01-529-6428?

There are 8 known substitutes for 6685-01-529-6428: 6210-00-683-0117, 6210-00-683-0118, 5961-00-686-8391 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 35-12500?

Key specifications for 35-12500: Special Features: TEMPERATURE MAXIMUM 169 DEGREES FAND 76 DEGREES C; Mounting Method: CLAMP; Usage Design: M984 STANDARD; Spring Operated Pressure Relief: NOT PROVIDED. 6 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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