PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21320-5Switch,sensitive

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5930-01-247-7394 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-247-7394 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-247-7394. Primary manufacturer part number: MS21320-5.
Features
  • Switch,sensitive — FSC 5930
  • Contact Load Current Rating at Maximum Rated Voltage: 15.000 AMPERES RESISTIVE DC AND 10.000 AMPERES INDUCTIVE DC AND 5.000 AMPERES MOTOR DC
  • Actuator Length: 1.500 INCHES NOMINAL IN
  • Test Data Document: 81349-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.).
  • Thread Series Designator: UNS
  • Switch Actuating Force: 192.0 INCH-OUNCES MINIMUM AND 400.0 INCH-OUNCES MAXIMUM IN
  • Terminal Type and Quantity: 4 WIRE LEAD
  • Maximum Voltage Rating in Volts: 28.0 DC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,sensitive, cataloged under National Stock Number 5930-01-247-7394, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN5930-01-247-7394
Primary Part NumberMS21320-5
Item NameSwitch,sensitive
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Contact Load Current Rating at Maximum Rated Voltage15.000 AMPERES RESISTIVE DC AND 10.000 AMPERES INDUCTIVE DC AND 5.000 AMPERES MOTOR DC
Actuator Length1.500 INCHES NOMINAL IN
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.).
Thread Series DesignatorUNS
Switch Actuating Force192.0 INCH-OUNCES MINIMUM AND 400.0 INCH-OUNCES MAXIMUM IN
Terminal Type and Quantity4 WIRE LEAD
Maximum Voltage Rating in Volts28.0 DC
Thread Quantity Per Inch32
Inclosure TypeFULLY INCLOSED
Hazardous Locations/environmental ProtectionCORROSION RESISTANT
Actuator Roller Diameter0.750 INCHES NOMINAL IN
Actuator StyleROLLER ARM
Housing Bushing Length0.340 INCHES NOMINAL IN
Nonpile-Up Contact Arrangement1 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
Mounting MethodTHREADED BUSHING
Actuator Movement15.0 PRETRAVEL DEGREES NOMINAL AND 30.0 OVERTRAVEL DEGREES NOMINAL AND 5.0 DIFFERENTIAL DEGREES NOMINAL
Nominal Thread Size0.469 INCHES IN
Switch Release Force108.0 INCH-OUNCES NOMINAL IN
Actuator Height0.900 INCHES NOMINAL IN
Housing Length2.440 INCHES NOMINAL IN
Housing Diameter1.530 INCHES NOMINAL IN
Body StyleBUSHING MOUNTED
Actuator Roller Width0.310 INCHES NOMINAL IN
Specification/standard Data96906-MS21320-5 GOVERNMENT STANDARD
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-404-9178 INTERCHANGEABLE
Switch,sensitive
5930-00-468-2759 INTERCHANGEABLE
Switch,sensitive
5930-00-957-0306 INTERCHANGEABLE
Switch,sensitive
5930-00-957-0974 INTERCHANGEABLE
Switch,sensitive
5930-01-095-8699 INTERCHANGEABLE
Switch,sensitive
5930-01-254-0938 INTERCHANGEABLE
Switch,sensitive
Cross-Reference Index
Part NumberManufacturer
MS21320-5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-8805/48 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-8805/48 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS21320-5 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5930-00-404-9178INTERCHANGEABLE
SWITCH,SENSITIVE
5930-00-468-2759INTERCHANGEABLE
SWITCH,SENSITIVE
5930-00-957-0306INTERCHANGEABLE
SWITCH,SENSITIVE
5930-00-957-0974INTERCHANGEABLE
SWITCH,SENSITIVE
5930-01-095-8699INTERCHANGEABLE
SWITCH,SENSITIVE
5930-01-254-0938INTERCHANGEABLE
SWITCH,SENSITIVE

Frequently Asked Questions

What is NSN 5930-01-247-7394?

NSN 5930-01-247-7394 is a Switch,sensitive, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-247-7394?

NSN 5930-01-247-7394 has 4 cross-referenced part numbers: MS21320-5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-8805/48 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-8805/48 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS21320-5 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5930-01-247-7394?

There are 6 known substitutes for 5930-01-247-7394: 5930-00-404-9178, 5930-00-468-2759, 5930-00-957-0306 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21320-5?

Key specifications for MS21320-5: Contact Load Current Rating at Maximum Rated Voltage: 15.000 AMPERES RESISTIVE DC AND 10.000 AMPERES INDUCTIVE DC AND 5.000 AMPERES MOTOR DC; Actuator Length: 1.500 INCHES NOMINAL IN; Test Data Document: 81349-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.).; Thread Series Designator: UNS. 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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