PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

520Voltsensor Relay

Calex Mfg Co Inc · NSN 5895-00-173-2536 · FSC 5895 · No Item Name Available
Verified by PartsTable
NSN 5895-00-173-2536 — this item is cataloged by the U.S. Government under National Stock Number 5895-00-173-2536. Primary manufacturer part number: 520.
Features
  • Voltsensor Relay — FSC 5895
  • General Characteristics Item Description: SOLID STATE DESIGN,PLUS 20V AT 50 MA OUTPUT,100000 OHMSINPUT IMPEDANCE,50 USEC OPERATING TIME,2 USE C RISE AND FALLTIME AMPLIFIER OUTPUT PLUS 18 MINUS 18V W/0.05 PCT REGULATION,AND ONE 26.5V SUPPLY W/0.5 PCT REGULATION,1.5 IN. BY 1.5 IN.BY 0.7 IN. O/A DIM. V
  • General Characteristics Item Description: SOLID STATE DESIGN,PLUS 20V AT 50 MA OUTPUT,100000 OHMSINPUT IMPEDANCE,50 USEC OPERATING TIME,2 USE C RISE AND FALLTIME AMPLIFIER OUTPUT PLUS 18 MINUS 18V W/0.05 PCT REGULATION,AND ONE 26.5V SUPPLY W/0.5 PCT REGULATION,1.5 IN. BY 1.5 IN.BY 0.7 IN. O/A DIM. V
  • 2 verified cross-references
  • Primary manufacturer: Calex Mfg Co Inc
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Voltsensor Relay, cataloged under National Stock Number 5895-00-173-2536, is classified within Federal Supply Class 5895 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Calex Mfg Co Inc. Government technical data includes 2 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5895-00-173-2536
Primary Part Number520
Item NameVoltsensor Relay
FSC / FSG5895 / 58 — No Item Name Available
ManufacturerCalex Mfg Co Inc
StatusACTIVE
General Characteristics Item DescriptionSOLID STATE DESIGN,PLUS 20V AT 50 MA OUTPUT,100000 OHMSINPUT IMPEDANCE,50 USEC OPERATING TIME,2 USE C RISE AND FALLTIME AMPLIFIER OUTPUT PLUS 18 MINUS 18V W/0.05 PCT REGULATION,AND ONE 26.5V SUPPLY W/0.5 PCT REGULATION,1.5 IN. BY 1.5 IN.BY 0.7 IN. O/A DIM. V
General Characteristics Item DescriptionSOLID STATE DESIGN,PLUS 20V AT 50 MA OUTPUT,100000 OHMSINPUT IMPEDANCE,50 USEC OPERATING TIME,2 USE C RISE AND FALLTIME AMPLIFIER OUTPUT PLUS 18 MINUS 18V W/0.05 PCT REGULATION,AND ONE 26.5V SUPPLY W/0.5 PCT REGULATION,1.5 IN. BY 1.5 IN.BY 0.7 IN. O/A DIM. V
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-00-643-1369 (7788)
HAZMATNo
Shelf Life Code0
Criticality Code00
Unit of IssueEA
SMR CodeVM
Verified Substitutes 5
6145-00-643-13697788 SUCCESSOR
Wire,electrical
Belden Wire and Cable Co Wire and Cable Office
6625-01-017-7645520 SUCCESSOR
Generator,pulse
Visual Information Institute Inc Dba V I I Craft
6625-00-797-0242604360-1 INTERCHANGEABLE
Bridge,capacitance
Textron Systems Corporation Dba Textron Systems Corp
6625-00-959-4078 INTERCHANGEABLE
Test Lead Attachment
1560-01-112-3658109033-4 INTERCHANGEABLE
Door,access,aircraft
Fleet Readiness Center Southwest
Cross-Reference Index
Part NumberManufacturer
520 Calex Mfg Co Inc (USA)
109-0334 Continental Electronics Corp (USA)
Related Parts
SUCCESSOR 6145-00-643-1369 Wire,electrical · 7788
6625-01-017-7645SUCCESSOR
GENERATOR,PULSE
520
6625-00-797-0242INTERCHANGEABLE
BRIDGE,CAPACITANCE
604360-1
6625-00-959-4078INTERCHANGEABLE
TEST LEAD ATTACHMENT
1560-01-112-3658INTERCHANGEABLE
DOOR,ACCESS,AIRCRAFT
109033-4

Frequently Asked Questions

What is NSN 5895-00-173-2536?

NSN 5895-00-173-2536 is a Voltsensor Relay, manufactured by Calex Mfg Co Inc, classified under FSC 5895 (No Item Name Available). Status: active.

What are the part numbers for NSN 5895-00-173-2536?

NSN 5895-00-173-2536 has 2 cross-referenced part numbers: 520 (Calex Mfg Co Inc), 109-0334 (Continental Electronics Corp).

What NSN replaces 5895-00-173-2536?

There are 5 known substitutes for 5895-00-173-2536: 6145-00-643-1369, 6625-01-017-7645, 6625-00-797-0242 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 520?

Key specifications for 520: General Characteristics Item Description: SOLID STATE DESIGN,PLUS 20V AT 50 MA OUTPUT,100000 OHMSINPUT IMPEDANCE,50 USEC OPERATING TIME,2 USE C RISE AND FALLTIME AMPLIFIER OUTPUT PLUS 18 MINUS 18V W/0.05 PCT REGULATION,AND ONE 26.5V SUPPLY W/0.5 PCT REGULATION,1.5 IN. BY 1.5 IN.BY 0.7 IN. O/A DIM. V; General Characteristics Item Description: SOLID STATE DESIGN,PLUS 20V AT 50 MA OUTPUT,100000 OHMSINPUT IMPEDANCE,50 USEC OPERATING TIME,2 USE C RISE AND FALLTIME AMPLIFIER OUTPUT PLUS 18 MINUS 18V W/0.05 PCT REGULATION,AND ONE 26.5V SUPPLY W/0.5 PCT REGULATION,1.5 IN. BY 1.5 IN.BY 0.7 IN. O/A DIM. V. 2 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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