PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21SX39-T2Switch,sensitive

Honeywell International Inc. Dba Honeyweel Sensing & Controls · NSN 5930-01-108-8542 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-108-8542 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-108-8542. Primary manufacturer part number: 21SX39-T2.
Features
  • Switch,sensitive — FSC 5930
  • Body Length: 0.510 INCHES MAXIMUM IN
  • Mounting Method: THREADED HOLE(S)
  • Actuator Style: ROUND
  • Unthreaded Mounting Hole Diameter: 0.088 INCHES NOMINAL IN
  • Terminal Type and Quantity: 3 TURRET
  • Actuator Height: 0.050 INCHES NOMINAL IN
  • Actuator Free Position Height: 0.320 INCHES NOMINAL IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Plastic Case construction
General Description

The Switch,sensitive, cataloged under National Stock Number 5930-01-108-8542, 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 Honeywell International Inc. Dba Honeyweel Sensing & Controls. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-108-8542
Primary Part Number21SX39-T2
Item NameSwitch,sensitive
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeyweel Sensing & Controls
StatusACTIVE
Body Length0.510 INCHES MAXIMUM IN
Mounting MethodTHREADED HOLE(S)
Actuator StyleROUND
Unthreaded Mounting Hole Diameter0.088 INCHES NOMINAL IN
Terminal Type and Quantity3 TURRET
Actuator Height0.050 INCHES NOMINAL IN
Actuator Free Position Height0.320 INCHES NOMINAL IN
Contact Load Current Rating at Maximum Rated Voltage5.000 AMPERES RESISTIVE DC AND 3.000 AMPERES INDUCTIVE DC AND 2.500 AMPERES LAMP DC AND 5.000 AMPERES RESISTIVE AC AND 5.000 AMPERES INDUCTIVE AC AND 2.000 AMPERES LAMP AC
Inclosure TypeFULLY INCLOSED
Precious Material and LocationTERMINAL SURFACES GOLD
Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Actuator Diameter0.062 INCHES NOMINAL IN
Switch Actuating Force5.0 OUNCES MAXIMUM OZ
Switch Release Force1.0 OUNCES MINIMUM OZ
MaterialPLASTIC CASE
Specification/standard Data81349-MIL-S-8805/4 GOVERNMENT SPECIFICATION
Test Data Document81349-MIL-S-8805 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Nonpile-Up Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
Actuator Movement0.020 PRETRAVEL INCHES MAXIMUM AND 0.004 OVERTRAVEL INCHES MINIMUM AND 0.005 DIFFERENTIAL INCHES MAXIMUM
Body StyleHOLE MOUNTED
Center to Center Distance Between Mounting Facilities Parallel to Length0.188 INCHES NOMINAL IN
Body Width0.210 INCHES MAXIMUM IN
Body Height0.350 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-403-8848 INTERCHANGEABLE
Switch,sensitive
5930-00-525-5562 INTERCHANGEABLE
Switch,sensitive
5930-00-803-4570 INTERCHANGEABLE
Switch,sensitive
5930-01-238-4682 INTERCHANGEABLE
Switch,sensitive
5930-01-238-5959 INTERCHANGEABLE
Switch,sensitive
5930-01-396-8625 INTERCHANGEABLE
Switch,sensitive
Cross-Reference Index
Part NumberManufacturer
21SX39-T2 Honeywell International Inc. Dba Honeyweel Sensing & Controls (USA)
MS24547-4 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-8805/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS24547-4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-8805/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5930-00-403-8848INTERCHANGEABLE
SWITCH,SENSITIVE
5930-00-525-5562INTERCHANGEABLE
SWITCH,SENSITIVE
5930-00-803-4570INTERCHANGEABLE
SWITCH,SENSITIVE
5930-01-238-4682INTERCHANGEABLE
SWITCH,SENSITIVE
5930-01-238-5959INTERCHANGEABLE
SWITCH,SENSITIVE
5930-01-396-8625INTERCHANGEABLE
SWITCH,SENSITIVE

Frequently Asked Questions

What is NSN 5930-01-108-8542?

NSN 5930-01-108-8542 is a Switch,sensitive, manufactured by Honeywell International Inc. Dba Honeyweel Sensing & Controls, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-108-8542?

NSN 5930-01-108-8542 has 5 cross-referenced part numbers: 21SX39-T2 (Honeywell International Inc. Dba Honeyweel Sensing & Controls), MS24547-4 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-8805/4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS24547-4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-8805/4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5930-01-108-8542?

There are 6 known substitutes for 5930-01-108-8542: 5930-00-403-8848, 5930-00-525-5562, 5930-00-803-4570 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21SX39-T2?

Key specifications for 21SX39-T2: Body Length: 0.510 INCHES MAXIMUM IN; Overall Length: 0.510 INCHES MAXIMUM IN; Mounting Method: THREADED HOLE(S); Actuator Style: ROUND. 26 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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