PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A505Switch,thermostatic

Essex Group Inc Controls Div Lexington Plant · NSN 5930-00-553-7122 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-553-7122 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-553-7122. Primary manufacturer part number: A505.
Features
  • Switch,thermostatic — FSC 5930
  • Terminal Type: TAB, SOLDER LUG
  • Mounting Method: FLANGE
  • Contact Stimulus Rating: 20.00 DIFFERENTIAL POINT NOMINAL DEGREES FAHRENHEIT AND 200.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT
  • Mounting Facility Pattern: TWO POSITION IN-LINE
  • Contact Action Stimulus: INCREASE
  • Operating Temp Rating: -190.0 FAHRENHEIT MINIMUM AND 210.0 FAHRENHEIT MAXIMUM DEGF
  • Contact Adjustability: ACTUATION POINT NOT ADJUSTABLE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-553-7122, 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 Essex Group Inc Controls Div Lexington Plant. Government technical data includes 9 verified specifications, 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
NSN5930-00-553-7122
Primary Part NumberA505
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerEssex Group Inc Controls Div Lexington Plant
StatusACTIVE
Terminal TypeTAB, SOLDER LUG
Mounting MethodFLANGE
Contact Stimulus Rating20.00 DIFFERENTIAL POINT NOMINAL DEGREES FAHRENHEIT AND 200.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Mounting Facility PatternTWO POSITION IN-LINE
Contact Action StimulusINCREASE
Operating Temp Rating-190.0 FAHRENHEIT MINIMUM AND 210.0 FAHRENHEIT MAXIMUM DEGF
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Distance Between Mounting Facility Centers0.812 INCHES NOMINAL IN
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5930-00-402-7023 INTERCHANGEABLE
Thermostat
5325-00-419-3995A505 INTERCHANGEABLE
Eyelet,metallic
Edwin B. Stimpson Company, Inc. Dba Stimpson
5950-00-645-2444 INTERCHANGEABLE
Coil,radio Frequency
5930-00-854-97862243311 INTERCHANGEABLE
Switch,thermostatic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4320-00-867-6705A505 INTERCHANGEABLE
Puller,impeller
Weil Pump Co Inc
5935-01-023-12147101943-03 INTERCHANGEABLE
Connector,plug,electrical
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
6850-01-098-2404 INTERCHANGEABLE
Desiccant,activated
4820-01-278-7853A-505 INTERCHANGEABLE
Parts Kit,diaphragm Replacement
Taylor Made Environmental
5310-01-319-898712576931 INTERCHANGEABLE
Nut,plain,barrel
Army, United States Department of the Dba Watervliet Arsenal Div Business Development
Cross-Reference Index
Part NumberManufacturer
A505 Essex Group Inc Controls Div Lexington Plant
Related Parts
5930-00-402-7023INTERCHANGEABLE
THERMOSTAT
5325-00-419-3995INTERCHANGEABLE
EYELET,METALLIC
A505
5950-00-645-2444INTERCHANGEABLE
COIL,RADIO FREQUENCY
5930-00-854-9786INTERCHANGEABLE
SWITCH,THERMOSTATIC
2243311
4320-00-867-6705INTERCHANGEABLE
PULLER,IMPELLER
A505
5935-01-023-1214INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
7101943-03
6850-01-098-2404INTERCHANGEABLE
DESICCANT,ACTIVATED
4820-01-278-7853INTERCHANGEABLE
PARTS KIT,DIAPHRAGM REPLACEMENT
A-505
5310-01-319-8987INTERCHANGEABLE
NUT,PLAIN,BARREL
12576931

Frequently Asked Questions

What is NSN 5930-00-553-7122?

NSN 5930-00-553-7122 is a Switch,thermostatic, manufactured by Essex Group Inc Controls Div Lexington Plant, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-553-7122?

NSN 5930-00-553-7122 has 1 cross-referenced part number: A505 (Essex Group Inc Controls Div Lexington Plant).

What NSN replaces 5930-00-553-7122?

There are 9 known substitutes for 5930-00-553-7122: 5930-00-402-7023, 5325-00-419-3995, 5950-00-645-2444 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A505?

Key specifications for A505: Terminal Type: TAB, SOLDER LUG; Mounting Method: FLANGE; Contact Stimulus Rating: 20.00 DIFFERENTIAL POINT NOMINAL DEGREES FAHRENHEIT AND 200.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT; Mounting Facility Pattern: TWO POSITION IN-LINE. 9 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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