PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4SE00420-1Switch,liquid Level

Naval Air Warfare Center Aircraft Division Joint Base Jbmdl · NSN 5930-01-198-9439 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-198-9439 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-198-9439. Primary manufacturer part number: 4SE00420-1.
Features
  • Switch,liquid Level — FSC 5930
  • Actuation Method: BUOYANCY
  • Mounting Position: HORIZONTAL
  • Operating Temp Rating: -65.0 FAHRENHEIT MINIMUM AND 180.0 FAHRENHEIT MAXIMUM DEGF
  • Float Quantity: 1
  • 4 verified cross-references
  • Primary manufacturer: Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,liquid Level, cataloged under National Stock Number 5930-01-198-9439, 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 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5930-01-198-9439
Primary Part Number4SE00420-1
Item NameSwitch,liquid Level
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerNaval Air Warfare Center Aircraft Division Joint Base Jbmdl
StatusCANCELLED
Actuation MethodBUOYANCY
Mounting PositionHORIZONTAL
Operating Temp Rating-65.0 FAHRENHEIT MINIMUM AND 180.0 FAHRENHEIT MAXIMUM DEGF
Float Quantity1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1680-00-014-3342 INTERCHANGEABLE
Latch Assy,landing
6685-00-111-1123163273 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
4710-00-354-3743A1369 INTERCHANGEABLE
Tube Assembly,metal
Am General Llc
5935-00-402-7208 INTERCHANGEABLE
Connector,plug,electrical
5915-01-262-4181A-1369 INTERCHANGEABLE
Filter,radio Frequency Interfere
The Captor Corporation
3020-01-281-45022K103 INTERCHANGEABLE
Gear,spur
Dynalec Corporation
5340-01-362-6144163273 INTERCHANGEABLE
Retainer,nut and Bolt
Northrop Grumman Systems Corporation
8455-01-396-5496 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-528-9624 INTERCHANGEABLE
Insignia,shoulder Sleeve
5930-01-555-9836163273 INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
163273 Setra Systems, Inc. Dba Gems Sensors (USA)
4SE00420-1 PRIMARY Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
4SE00420-1 Naval Air Warfare Center Aircraft Division Code 1.3.1 Bldg 562-1 (USA)
A1369 Setra Systems, Inc. Dba Gems Sensors (USA)
Related Parts
1680-00-014-3342INTERCHANGEABLE
LATCH ASSY,LANDING
6685-00-111-1123INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
163273
4710-00-354-3743INTERCHANGEABLE
TUBE ASSEMBLY,METAL
A1369
5935-00-402-7208INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5915-01-262-4181INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
A-1369
3020-01-281-4502INTERCHANGEABLE
GEAR,SPUR
2K103
5340-01-362-6144INTERCHANGEABLE
RETAINER,NUT AND BOLT
163273
8455-01-396-5496INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-528-9624INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
5930-01-555-9836INTERCHANGEABLE
SWITCH,LIQUID LEVEL
163273
8455-01-660-5684INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-715-0301INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 5930-01-198-9439?

NSN 5930-01-198-9439 is a Switch,liquid Level, manufactured by Naval Air Warfare Center Aircraft Division Joint Base Jbmdl, classified under FSC 5930 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5930-01-198-9439?

NSN 5930-01-198-9439 has 4 cross-referenced part numbers: 163273 (Setra Systems, Inc. Dba Gems Sensors), 4SE00420-1 (Naval Air Warfare Center Aircraft Division Joint Base Jbmdl), 4SE00420-1 (Naval Air Warfare Center Aircraft Division Code 1.3.1 Bldg 562-1), A1369 (Setra Systems, Inc. Dba Gems Sensors).

What NSN replaces 5930-01-198-9439?

There are 12 known substitutes for 5930-01-198-9439: 1680-00-014-3342, 6685-00-111-1123, 4710-00-354-3743 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4SE00420-1?

Key specifications for 4SE00420-1: Actuation Method: BUOYANCY; Overall Length: 46.000 INCHES NOMINAL IN; Mounting Position: HORIZONTAL; Operating Temp Rating: -65.0 FAHRENHEIT MINIMUM AND 180.0 FAHRENHEIT MAXIMUM DEGF. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5930-01-198-9439 still in active supply?

NSN 5930-01-198-9439 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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