PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS27903-1FRSwitch,push

American Carbonic Engineering Co · NSN 5930-00-877-9624 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-877-9624 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-877-9624. Primary manufacturer part number: MS27903-1FR.
Features
  • Switch,push — FSC 5930
  • Contact Load Current Rating at Maximum Rated Voltage: 4.000 AMPERES RESISTIVE DC AND 2.000 AMPERES INDUCTIVE DC AND 2.000 AMPERES LAMP DC AND 4.000 AMPERES RESISTIVE AC AND 2.000 AMPERES INDUCTIVE AC AND 2.000 AMPERES LAMP AC
  • Mounting Method: THREADED BUSHING
  • Nonpile-Up Contact Arrangement: 2 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
  • Features Provided: ACTUATOR SEAL
  • Color: RED SINGLE ACTUATOR
  • Nominal Thread Size: 0.500 INCHES IN
  • Inclosure Type: FULLY INCLOSED
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,push, cataloged under National Stock Number 5930-00-877-9624, 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 American Carbonic Engineering Co. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-877-9624
Primary Part NumberMS27903-1FR
Item NameSwitch,push
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerAmerican Carbonic Engineering Co
StatusACTIVE
Contact Load Current Rating at Maximum Rated Voltage4.000 AMPERES RESISTIVE DC AND 2.000 AMPERES INDUCTIVE DC AND 2.000 AMPERES LAMP DC AND 4.000 AMPERES RESISTIVE AC AND 2.000 AMPERES INDUCTIVE AC AND 2.000 AMPERES LAMP AC
Mounting MethodTHREADED BUSHING
Nonpile-Up Contact Arrangement2 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
Features ProvidedACTUATOR SEAL
ColorRED SINGLE ACTUATOR
Nominal Thread Size0.500 INCHES IN
Inclosure TypeFULLY INCLOSED
Terminal Type and Quantity8 TAB, SOLDER LUG
Actuator StyleROUND
Actuator Height0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Thread Series DesignatorUN
Actuator Diameter0.355 INCHES MINIMUM AND 0.395 INCHES MAXIMUM 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.).
Body Length0.760 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN
Body Diameter0.634 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN
Thread Class2A A
Maximum Voltage Rating in Volts120.0 AC AND 28.0 DC
Thread Quantity Per Inch32
Body StyleBUSHING MOUNTED
Bushing Length0.350 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5930-00-224-5815 INTERCHANGEABLE
Switch,push
5930-00-465-7838 INTERCHANGEABLE
Switch,push
5930-00-765-6398 INTERCHANGEABLE
Switch,push
5930-00-892-9479 INTERCHANGEABLE
Switch,push
5930-00-977-2710 INTERCHANGEABLE
Switch,push
Cross-Reference Index
Part NumberManufacturer
MS27903-1FR American Carbonic Engineering Co (USA)
MIL-PRF-8805/38 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS27903-6 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MILS8805-38 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS27903-6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
946893-006 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5930-00-224-5815INTERCHANGEABLE
SWITCH,PUSH
5930-00-465-7838INTERCHANGEABLE
SWITCH,PUSH
5930-00-765-6398INTERCHANGEABLE
SWITCH,PUSH
5930-00-892-9479INTERCHANGEABLE
SWITCH,PUSH
5930-00-977-2710INTERCHANGEABLE
SWITCH,PUSH

Frequently Asked Questions

What is NSN 5930-00-877-9624?

NSN 5930-00-877-9624 is a Switch,push, manufactured by American Carbonic Engineering Co, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-877-9624?

NSN 5930-00-877-9624 has 6 cross-referenced part numbers: MS27903-1FR (American Carbonic Engineering Co), MIL-PRF-8805/38 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS27903-6 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MILS8805-38 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS27903-6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5930-00-877-9624?

There are 5 known substitutes for 5930-00-877-9624: 5930-00-224-5815, 5930-00-465-7838, 5930-00-765-6398 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS27903-1FR?

Key specifications for MS27903-1FR: Contact Load Current Rating at Maximum Rated Voltage: 4.000 AMPERES RESISTIVE DC AND 2.000 AMPERES INDUCTIVE DC AND 2.000 AMPERES LAMP DC AND 4.000 AMPERES RESISTIVE AC AND 2.000 AMPERES INDUCTIVE AC AND 2.000 AMPERES LAMP AC; Mounting Method: THREADED BUSHING; Nonpile-Up Contact Arrangement: 2 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, ONE POSITION MOMENTARY SINGLE SWITCH UNIT; Features Provided: ACTUATOR SEAL. 23 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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