PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27066Switch,flow

Setra Systems, Inc. Dba Gems Sensors · NSN 5930-01-727-7020 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-727-7020 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-727-7020. Primary manufacturer part number: 27066.
Features
  • Switch,flow — FSC 5930
  • Width Across Flats: 1.781 INCHES NOMINAL IN
  • Terminal Type: WIRE LEAD
  • Thread Series Designator: NPT ALL THREADED HOLE
  • Nominal Thread Size: 1.0 INCHES ALL THREADED HOLE IN
  • Media for Which Designed: LIQUID
  • Style Designator: CYLINDRICAL W/MOUNTING LUGS
  • Operating Temp Rating: 148.9 CELSIUS MAXIMUM DEGC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,flow, cataloged under National Stock Number 5930-01-727-7020, 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 Setra Systems, Inc. Dba Gems Sensors. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-727-7020
Primary Part Number27066
Item NameSwitch,flow
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusACTIVE
Width Across Flats1.781 INCHES NOMINAL IN
Terminal TypeWIRE LEAD
Thread Series DesignatorNPT ALL THREADED HOLE
Nominal Thread Size1.0 INCHES ALL THREADED HOLE IN
Media for Which DesignedLIQUID
Style DesignatorCYLINDRICAL W/MOUNTING LUGS
Operating Temp Rating148.9 CELSIUS MAXIMUM DEGC
Thread DirectionRIGHT-HAND ALL THREADED HOLE
Mounting MethodINLET CONNECTION AND OUTLET CONNECTION
Thread Quantity Per Inch11.50 ALL THREADED HOLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5940-00-972-2810G1150-27066 INTERCHANGEABLE
Terminal,stud
Prestolite Electric Inc
3110-01-128-7108S200TX21 INTERCHANGEABLE
Bearing,ball,annular
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation
3130-01-224-9252 INTERCHANGEABLE
Housing,bearing Unit
Cross-Reference Index
Part NumberManufacturer
21354028 Jered Llc (USA)
27066 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
Related Parts
5940-00-972-2810INTERCHANGEABLE
TERMINAL,STUD
G1150-27066
3110-01-128-7108INTERCHANGEABLE
BEARING,BALL,ANNULAR
S200TX21
3130-01-224-9252INTERCHANGEABLE
HOUSING,BEARING UNIT

Frequently Asked Questions

What is NSN 5930-01-727-7020?

NSN 5930-01-727-7020 is a Switch,flow, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-727-7020?

NSN 5930-01-727-7020 has 2 cross-referenced part numbers: 21354028 (Jered Llc), 27066 (Setra Systems, Inc. Dba Gems Sensors).

What NSN replaces 5930-01-727-7020?

There are 3 known substitutes for 5930-01-727-7020: 5940-00-972-2810, 3110-01-128-7108, 3130-01-224-9252. Verify interchangeability with system specifications before substitution.

What are the specifications of 27066?

Key specifications for 27066: Width Across Flats: 1.781 INCHES NOMINAL IN; Terminal Type: WIRE LEAD; Thread Series Designator: NPT ALL THREADED HOLE; Part Name Assigned by Controlling Agency: SWITCH, FLOW. 12 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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