PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6393728-1Switch,flow

Setra Systems, Inc. Dba Gems Sensors · NSN 5930-00-177-9383 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-177-9383 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-177-9383. Primary manufacturer part number: 6393728-1.
Features
  • Switch,flow — FSC 5930
  • Body Length: 4.120 INCHES NOMINAL IN
  • Frequency in Hertz: 60.0 FIRST VOLTAGE
  • Longest Horizontal Distance Between Mounting Centers: 2.700 INCHES NOMINAL IN
  • Media for Which Designed: LIQUID
  • Style Designator: RECTANGULAR
  • Contact Voltage Rating in Volts: 6.0 DC AT SEA LEVEL SECOND VOLTAGE
  • Thread Class: 3B ALL THREADED HOLE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,flow, cataloged under National Stock Number 5930-00-177-9383, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-00-177-9383
Primary Part Number6393728-1
Item NameSwitch,flow
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusCANCELLED
Body Length4.120 INCHES NOMINAL IN
Frequency in Hertz60.0 FIRST VOLTAGE
Longest Horizontal Distance Between Mounting Centers2.700 INCHES NOMINAL IN
Media for Which DesignedLIQUID
Style DesignatorRECTANGULAR
Contact Voltage Rating in Volts6.0 DC AT SEA LEVEL SECOND VOLTAGE
Thread Class3B ALL THREADED HOLE
Contact Load Current Rating500.0 MILLIAMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Load Current Rating500.0 MILLIAMPERES RESISTIVE LOAD FIRST VOLTAGE
Contact Adjustment TypeEXTERNAL ACTUATION POINT SCREW
Operating Temp Rating-65.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF
Contact AdjustabilityACTUATION POINT ADJUSTABLE
Unthreaded Mounting Hole Diameter0.187 INCHES NOMINAL IN
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Mounting MethodTHREADED HOLE(S)
Nominal Thread Size0.750 INCHES ALL THREADED HOLE IN
Contact Action StimulusINCREASE
Mounting Facility PatternTWO POSITION DIAGONAL
Contact Voltage Rating in Volts250.0 AC AT SEA LEVEL FIRST VOLTAGE
Contact Voltage Rating in Volts32.0 DC AT SEA LEVEL THIRD VOLTAGE
Contact Load Current Rating500.0 MILLIAMPERES RESISTIVE LOAD THIRD VOLTAGE
Longest Vertical Distance Between Mounting Centers1.600 INCHES NOMINAL IN
Contact Adjustment Range+0.20 TO 15.00 ACTUATION POINT GALLONS PER MINUTE
Thread Series DesignatorUNF ALL THREADED HOLE
Terminal TypeWIRE LEAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
4730-00-254-6373 INTERCHANGEABLE
Cross,pipe
6605-00-695-4320 INTERCHANGEABLE
Wiper Assy
5930-00-955-23042247268P1 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5310-01-004-7606SSR0175 INTERCHANGEABLE
Washer,spring Tension
Smalley Steel Ring Co.
5930-01-025-7446FS-10798-25357 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5355-01-087-1996 INTERCHANGEABLE
Knob
5930-01-310-451225364 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
6105-01-397-8440 INTERCHANGEABLE
Rotor,motor
6110-01-407-112725358 INTERCHANGEABLE
Contactor,magnetic
Allied Systems Company Dba Allied Systems Co
5935-01-424-72323174AS4491 INTERCHANGEABLE
Connector,receptacle,electrical
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
252505 Raytheon Company Dba Raytheon (USA)
6393728-1 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
FS23085 Setra Systems, Inc. Dba Gems Sensors (USA)
352250053902 Thales Nederland (NLD)
25358 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
FS-10798 Setra Systems, Inc. Dba Gems Sensors (USA)
6393728 PRIMARY Naval Sea Systems Command (USA)
6393728-1 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
4730-00-254-6373INTERCHANGEABLE
CROSS,PIPE
6605-00-695-4320INTERCHANGEABLE
WIPER ASSY
5930-00-955-2304INTERCHANGEABLE
SWITCH,FLOW
2247268P1
5310-01-004-7606INTERCHANGEABLE
WASHER,SPRING TENSION
SSR0175
5930-01-025-7446INTERCHANGEABLE
SWITCH,FLOW
FS-10798-25357
5355-01-087-1996INTERCHANGEABLE
KNOB
5930-01-310-4512INTERCHANGEABLE
SWITCH,FLOW
25364
6105-01-397-8440INTERCHANGEABLE
ROTOR,MOTOR
6110-01-407-1127INTERCHANGEABLE
CONTACTOR,MAGNETIC
25358
5935-01-424-7232INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3174AS4491
4730-01-579-4652INTERCHANGEABLE
ELBOW,PIPE

Frequently Asked Questions

What is NSN 5930-00-177-9383?

NSN 5930-00-177-9383 is a Switch,flow, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-00-177-9383?

NSN 5930-00-177-9383 has 8 cross-referenced part numbers: 252505 (Raytheon Company Dba Raytheon), 6393728-1 (Setra Systems, Inc. Dba Gems Sensors), FS23085 (Setra Systems, Inc. Dba Gems Sensors), 352250053902 (Thales Nederland), 25358 (Setra Systems, Inc. Dba Gems Sensors) and 3 more.

What NSN replaces 5930-00-177-9383?

There are 11 known substitutes for 5930-00-177-9383: 4730-00-254-6373, 6605-00-695-4320, 5930-00-955-2304 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6393728-1?

Key specifications for 6393728-1: Overall Width: 1.250 INCHES NOMINAL IN; Body Length: 4.120 INCHES NOMINAL IN; Frequency in Hertz: 60.0 FIRST VOLTAGE; Longest Horizontal Distance Between Mounting Centers: 2.700 INCHES NOMINAL IN. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-00-177-9383 still in active supply?

NSN 5930-00-177-9383 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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