PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3100-149-1L161Switch,thermostatic

Honeywell International Inc. Dba Honeywell Div Sensing and Control · NSN 5930-00-194-3371 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-194-3371 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-194-3371. Primary manufacturer part number: 3100-149-1L161.
Features
  • Switch,thermostatic — FSC 5930
  • Style Designator: DISC W/FLANGE
  • Operating Temp Rating: 138.0 FAHRENHEIT MINIMUM AND 163.0 FAHRENHEIT MAXIMUM DEGF
  • Body Height: 0.305 INCHES NOMINAL IN
  • Body Diameter: 0.660 INCHES NOMINAL IN
  • 6 verified cross-references
  • Primary manufacturer: Honeywell International Inc. Dba Honeywell Div Sensing and Control
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-194-3371, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components 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 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-194-3371
Primary Part Number3100-149-1L161
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell Div Sensing and Control
StatusACTIVE
Style DesignatorDISC W/FLANGE
Operating Temp Rating138.0 FAHRENHEIT MINIMUM AND 163.0 FAHRENHEIT MAXIMUM DEGF
Body Height0.305 INCHES NOMINAL IN
Body Diameter0.660 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-278-4357SAE J512 4-2 060102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
5325-00-281-4958121J-6570-Z3C INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
Cross-Reference Index
Part NumberManufacturer
3100-149-1L161 Honeywell International Inc. Dba Honeywell Div Sensing and Control (USA)
A823 Essex Group Inc Controls Div Lexington Plant
424-823 Essex Group Inc Controls Div Lexington Plant
5930PL0944445 Jednolity Indeks Materialowy - Uniform Material Index (POL)
DX520126-2 Lockheed Martin Corp Lockheed Martin Mission Systems (USA)
02568-1 Electro Switch Corp. Dba Electro Switch Corp (USA)
Related Parts
4730-00-278-4357INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 4-2 060102BA
5325-00-281-4958INTERCHANGEABLE
STUD,TURNLOCK FASTENER
121J-6570-Z3C

Frequently Asked Questions

What is NSN 5930-00-194-3371?

NSN 5930-00-194-3371 is a Switch,thermostatic, manufactured by Honeywell International Inc. Dba Honeywell Div Sensing and Control, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-194-3371?

NSN 5930-00-194-3371 has 6 cross-referenced part numbers: 3100-149-1L161 (Honeywell International Inc. Dba Honeywell Div Sensing and Control), A823 (Essex Group Inc Controls Div Lexington Plant), 424-823 (Essex Group Inc Controls Div Lexington Plant), 5930PL0944445 (Jednolity Indeks Materialowy - Uniform Material Index), DX520126-2 (Lockheed Martin Corp Lockheed Martin Mission Systems) and 1 more.

What NSN replaces 5930-00-194-3371?

There are 2 known substitutes for 5930-00-194-3371: 4730-00-278-4357, 5325-00-281-4958. Verify interchangeability with system specifications before substitution.

What are the specifications of 3100-149-1L161?

Key specifications for 3100-149-1L161: Style Designator: DISC W/FLANGE; Operating Temp Rating: 138.0 FAHRENHEIT MINIMUM AND 163.0 FAHRENHEIT MAXIMUM DEGF; Body Height: 0.305 INCHES NOMINAL IN; Overall Length: 0.875 INCHES NOMINAL IN. 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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