PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3221-19Switch,thermostatic

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple · NSN 5930-00-549-0646 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-549-0646 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-549-0646. Primary manufacturer part number: 3221-19.
Features
  • Switch,thermostatic — FSC 5930
  • Terminal Type: WIRE LEAD
  • Mounting Method: FLUSH
  • Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Contact Voltage Rating in Volts: 115.0 AC AT SEA LEVEL SINGLE VOLTAGE
  • Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE
  • Contact Stimulus Rating: 15.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND -15.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
  • Contact Load Current Rating: 1.1 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-549-0646, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5930-00-549-0646
Primary Part Number3221-19
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
StatusACTIVE
Terminal TypeWIRE LEAD
Mounting MethodFLUSH
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL SINGLE VOLTAGE
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Contact Stimulus Rating15.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND -15.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Contact Load Current Rating1.1 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
Operating Temp Rating-67.0 FAHRENHEIT MINIMUM AND 185.0 FAHRENHEIT MAXIMUM DEGF
Contact Action StimulusINCREASE
Mounting Facility PatternTWO POSITION IN-LINE
Distance Between Mounting Facility Centers0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
7510-00-282-82017510-00-282-8201 INTERCHANGEABLE
Clip,paper
Sourceamerica
5120-01-398-803800944238000 INTERCHANGEABLE
Socket,socket Wrench
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
Cross-Reference Index
Part NumberManufacturer
3221-19 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
3221-19 Scomill Inc (USA)
3221-19 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
442-38 Essex Group Inc Controls Div Lexington Plant
Related Parts
7510-00-282-8201INTERCHANGEABLE
CLIP,PAPER
7510-00-282-8201
5120-01-398-8038INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00944238000

Frequently Asked Questions

What is NSN 5930-00-549-0646?

NSN 5930-00-549-0646 is a Switch,thermostatic, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-549-0646?

NSN 5930-00-549-0646 has 4 cross-referenced part numbers: 3221-19 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), 3221-19 (Scomill Inc), 3221-19 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 442-38 (Essex Group Inc Controls Div Lexington Plant).

What NSN replaces 5930-00-549-0646?

There are 2 known substitutes for 5930-00-549-0646: 7510-00-282-8201, 5120-01-398-8038. Verify interchangeability with system specifications before substitution.

What are the specifications of 3221-19?

Key specifications for 3221-19: Terminal Type: WIRE LEAD; Mounting Method: FLUSH; Nonpile-Up Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION; Contact Voltage Rating in Volts: 115.0 AC AT SEA LEVEL SINGLE VOLTAGE. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com