PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-826Armature Assembly,thermostat

Horizon Aerospace Llc Dba Magnetics Division · NSN 6685-00-422-1825 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-422-1825 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-422-1825. Primary manufacturer part number: 21-826.
Features
  • Armature Assembly,thermostat — FSC 6685
  • General Characteristics Item Description: TWO EA FSCM 35918 PART NO. WM21-116B42 SPRING CONTROL,PART NO. WM21-126 PAD INSULATION,ONE EA FSCM 35918 PART NO. WM21-123R BASE ASSEMBLY PIVOT,@PART NO. WM21-112B3 COIL,PART NO. 21-324 POINTER ASSEMBLY
  • 1 verified cross-reference
  • Primary manufacturer: Horizon Aerospace Llc Dba Magnetics Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Armature Assembly,thermostat, cataloged under National Stock Number 6685-00-422-1825, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Horizon Aerospace Llc Dba Magnetics Division. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-422-1825
Primary Part Number21-826
Item NameArmature Assembly,thermostat
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerHorizon Aerospace Llc Dba Magnetics Division
StatusACTIVE
General Characteristics Item DescriptionTWO EA FSCM 35918 PART NO. WM21-116B42 SPRING CONTROL,PART NO. WM21-126 PAD INSULATION,ONE EA FSCM 35918 PART NO. WM21-123R BASE ASSEMBLY PIVOT,@PART NO. WM21-112B3 COIL,PART NO. 21-324 POINTER ASSEMBLY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-107-7555 INTERCHANGEABLE
Bearing,ball,annular
5315-00-244-39051K3617 INTERCHANGEABLE
Pin,straight,headed
Caterpillar Inc Div Caterpillar Defense
1560-00-307-638721826 INTERCHANGEABLE
Plate,cover,metal W
Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
5950-00-434-9095902C7610-03-020 INTERCHANGEABLE
Transformer,power
Ge Aviation Systems Llc Dba Ge Aviation Div Information Systems - Germantown
6125-00-635-152521826 INTERCHANGEABLE
Motor-Generator Assembly
Naval Ship Systems Command
5935-00-989-0884MS3105-18 INTERCHANGEABLE
Dummy Connector,receptacle
Sae International Dba Sae International
5940-01-089-2541 INTERCHANGEABLE
Terminal,quick Disconnect
2990-01-184-710821826 INTERCHANGEABLE
Muffler,exhaust
Walker Mfg Co
5355-01-418-038521826 INTERCHANGEABLE
Mask,dial
Elbitamerica, Inc.
Cross-Reference Index
Part NumberManufacturer
21-826 PRIMARY Horizon Aerospace Llc Dba Magnetics Division (USA)
Related Parts
3110-00-107-7555INTERCHANGEABLE
BEARING,BALL,ANNULAR
5315-00-244-3905INTERCHANGEABLE
PIN,STRAIGHT,HEADED
1K3617
1560-00-307-6387INTERCHANGEABLE
PLATE,COVER,METAL W
21826
5950-00-434-9095INTERCHANGEABLE
TRANSFORMER,POWER
902C7610-03-020
6125-00-635-1525INTERCHANGEABLE
MOTOR-GENERATOR ASSEMBLY
21826
5935-00-989-0884INTERCHANGEABLE
DUMMY CONNECTOR,RECEPTACLE
MS3105-18
5940-01-089-2541INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
2990-01-184-7108INTERCHANGEABLE
MUFFLER,EXHAUST
21826
5355-01-418-0385INTERCHANGEABLE
MASK,DIAL
21826

Frequently Asked Questions

What is NSN 6685-00-422-1825?

NSN 6685-00-422-1825 is a Armature Assembly,thermostat, manufactured by Horizon Aerospace Llc Dba Magnetics Division, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-422-1825?

NSN 6685-00-422-1825 has 1 cross-referenced part number: 21-826 (Horizon Aerospace Llc Dba Magnetics Division).

What NSN replaces 6685-00-422-1825?

There are 9 known substitutes for 6685-00-422-1825: 3110-00-107-7555, 5315-00-244-3905, 1560-00-307-6387 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-826?

Key specifications for 21-826: General Characteristics Item Description: TWO EA FSCM 35918 PART NO. WM21-116B42 SPRING CONTROL,PART NO. WM21-126 PAD INSULATION,ONE EA FSCM 35918 PART NO. WM21-123R BASE ASSEMBLY PIVOT,@PART NO. WM21-112B3 COIL,PART NO. 21-324 POINTER ASSEMBLY. 1 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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