PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43-100A-ESwitch,proximity

Topworx Inc · NSN 5930-01-270-2855 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-270-2855 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-270-2855. Primary manufacturer part number: 43-100A-E.
Features
  • Switch,proximity — FSC 5930
  • Mounting Facility Pattern: TWO POSITION IN-LINE
  • Distance Between Mounting Facility Centers: 1.250 INCHES NOMINAL IN
  • Nonpile-Up Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Mounting Method: SLOT
  • Mounting Slot Width: 0.201 INCHES NOMINAL IN
  • 5 verified cross-references
  • Primary manufacturer: Topworx Inc
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,proximity, cataloged under National Stock Number 5930-01-270-2855, 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 Topworx Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-270-2855
Primary Part Number43-100A-E
Item NameSwitch,proximity
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerTopworx Inc
StatusACTIVE
Mounting Facility PatternTWO POSITION IN-LINE
Distance Between Mounting Facility Centers1.250 INCHES NOMINAL IN
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Mounting MethodSLOT
Mounting Slot Width0.201 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4720-00-442-57681081A74G45 INTERCHANGEABLE
Hose Assembly,nonmetallic
Thermo King Corporation Dba Phoenix Global Distirbution.
2920-00-851-7743R11292 INTERCHANGEABLE
Relay-Solenoid,engine Starter,el
Deere & Company Dba Deere John Co
1670-01-008-776011-1-510 INTERCHANGEABLE
Altimeter,parachutist
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
5305-01-519-1473120-184-3-8 INTERCHANGEABLE
Screw,self Locking,
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
43-100A-E Topworx Inc (USA)
111510 Topworx Inc (USA)
1472 PIECE 175 Unidynamics/saint Louis Inc Conroe Opns (USA)
1472 PIECE 175 Gulf Coast Holdings, Inc Dba Unidynamics (USA)
1472 PIECE 175 Jered Llc (USA)
Related Parts
4720-00-442-5768INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
1081A74G45
2920-00-851-7743INTERCHANGEABLE
RELAY-SOLENOID,ENGINE STARTER,EL
R11292
1670-01-008-7760INTERCHANGEABLE
ALTIMETER,PARACHUTIST
11-1-510
5305-01-519-1473INTERCHANGEABLE
SCREW,SELF LOCKING,
120-184-3-8

Frequently Asked Questions

What is NSN 5930-01-270-2855?

NSN 5930-01-270-2855 is a Switch,proximity, manufactured by Topworx Inc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-270-2855?

NSN 5930-01-270-2855 has 5 cross-referenced part numbers: 43-100A-E (Topworx Inc), 111510 (Topworx Inc), 1472 PIECE 175 (Unidynamics/saint Louis Inc Conroe Opns), 1472 PIECE 175 (Gulf Coast Holdings, Inc Dba Unidynamics), 1472 PIECE 175 (Jered Llc).

What NSN replaces 5930-01-270-2855?

There are 4 known substitutes for 5930-01-270-2855: 4720-00-442-5768, 2920-00-851-7743, 1670-01-008-7760 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43-100A-E?

Key specifications for 43-100A-E: Mounting Facility Pattern: TWO POSITION IN-LINE; Overall Height: 1.500 INCHES NOMINAL IN; Distance Between Mounting Facility Centers: 1.250 INCHES NOMINAL IN; Nonpile-Up Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com