PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A4148Switch,liquid Level

Setra Systems, Inc. Dba Gems Sensors · NSN 5930-01-107-0594 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-107-0594 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-107-0594. Primary manufacturer part number: A4148.
Features
  • Switch,liquid Level — FSC 5930
  • Contact Arrangement: DOUBLE POLE,SINGLE THROW
  • Float and Contact Positions: FLOAT UP, CONTACTS CLOSED AND FLOAT DOWN, CONTACTS OPEN
  • Mounting Position: VERTICAL
  • Float Quantity: 1
  • Mounting Dimensions: 1.250 IN. DIA NPT MTG BUSHING IN
  • Float Effective Travel: 5.000 INCHES NOMINAL IN
  • Mounting Method: THREAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,liquid Level, cataloged under National Stock Number 5930-01-107-0594, 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 7 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-107-0594
Primary Part NumberA4148
Item NameSwitch,liquid Level
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSetra Systems, Inc. Dba Gems Sensors
StatusACTIVE
Contact ArrangementDOUBLE POLE,SINGLE THROW
Float and Contact PositionsFLOAT UP, CONTACTS CLOSED AND FLOAT DOWN, CONTACTS OPEN
Mounting PositionVERTICAL
Float Quantity1
Mounting Dimensions1.250 IN. DIA NPT MTG BUSHING IN
Float Effective Travel5.000 INCHES NOMINAL IN
Mounting MethodTHREAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-837-089268-A-4148 INTERCHANGEABLE
Ring,wiper
Wheeler Fleet Solutions, Co.
5945-01-509-2450LRD12 INTERCHANGEABLE
Relay,thermal
Schneider Electric Usa, Inc.
Cross-Reference Index
Part NumberManufacturer
A4148 PRIMARY Setra Systems, Inc. Dba Gems Sensors (USA)
Related Parts
5330-00-837-0892INTERCHANGEABLE
RING,WIPER
68-A-4148
5945-01-509-2450INTERCHANGEABLE
RELAY,THERMAL
LRD12

Frequently Asked Questions

What is NSN 5930-01-107-0594?

NSN 5930-01-107-0594 is a Switch,liquid Level, 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 5930-01-107-0594?

NSN 5930-01-107-0594 has 1 cross-referenced part number: A4148 (Setra Systems, Inc. Dba Gems Sensors).

What NSN replaces 5930-01-107-0594?

There are 2 known substitutes for 5930-01-107-0594: 5330-00-837-0892, 5945-01-509-2450. Verify interchangeability with system specifications before substitution.

What are the specifications of A4148?

Key specifications for A4148: Contact Arrangement: DOUBLE POLE,SINGLE THROW; Float and Contact Positions: FLOAT UP, CONTACTS CLOSED AND FLOAT DOWN, CONTACTS OPEN; Mounting Position: VERTICAL; Float Quantity: 1. 7 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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