PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SGMES-PD-143/15Chopper,electronic

Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss) · NSN 5945-00-553-9611 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-553-9611 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-553-9611. Primary manufacturer part number: SGMES-PD-143/15.
Features
  • Chopper,electronic — FSC 5945
  • Terminal Type: PIN
  • Overall Diameter: 0.750 INCHES MAXIMUM IN
  • Drive Voltage Relationship to Input Voltage: EQUAL
  • Contact Arrangement: SINGLE POLE, DOUBLE THROW
  • Phase Angle in Deg: 65.0
  • Output/input Voltage Relationship: EQUAL
  • Unit Type: ELECTROMECHANICAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Chopper,electronic, cataloged under National Stock Number 5945-00-553-9611, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss). Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-553-9611
Primary Part NumberSGMES-PD-143/15
Item NameChopper,electronic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerAir Force Lifecycle Management Center Electronic Components (aflcmc/ezss)
StatusCANCELLED
Terminal TypePIN
Overall Diameter0.750 INCHES MAXIMUM IN
Drive Voltage Relationship to Input VoltageEQUAL
Contact ArrangementSINGLE POLE, DOUBLE THROW
Phase Angle in Deg65.0
Output/input Voltage RelationshipEQUAL
Unit TypeELECTROMECHANICAL
Plug in Mounting FeaturePROVIDED
Base TypeSTANDARD BASE
Operating Temp Range-65.0 TO 100.0 CELSIUS DEGC
Dwell Time Rating in Deg130.0 MINIMUM AND 165.0 MAXIMUM
Hermetically Sealed FeaturePROVIDED
Reed TypeSINGLE
Terminal Pattern Arrangement0.375 IN. DIA TERMINAL LUG CIRCLE IN
Base Connection Wiring Style7 PIN STANDARD TUBE
Input Voltage Rating6.3 AC VOLTS NOMINAL
Contact Operation SequenceBREAKS BEFORE MAKES
Contact Voltage Rating100.0 DC VOLTS NOMINAL
Base Mounting Size Designation7 PIN MINIATURE TUBE BASE SIZE
Contact Current Rating2.0 MILLIAMPERES MAXIMUM
Input Current Rating40.6 MILLIAMPERES NOMINAL
Terminal Quantity7
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5940-00-110-2560300-143 INTERCHANGEABLE
Terminal,feedthru
Ametek, Inc. Dba Aerospace Gst Div Aerospace
3020-00-144-4708231251 INTERCHANGEABLE
Gear,spur
Honeywell International Inc. Dba Honeywell International
6810-00-146-75151-9680 INTERCHANGEABLE
Sulfuric Acid
Avantor Performance Materials, Inc.
5310-00-189-4395 INTERCHANGEABLE
Nut,plain,slotted,hexagon
5307-00-274-5544300143 INTERCHANGEABLE
Stud,plain
Am General Llc
5905-00-316-0546 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
6635-00-351-7853 INTERCHANGEABLE
Wedge,angle Beam
3820-00-429-7660 INTERCHANGEABLE
Valve
3895-00-489-6699030.01.0043 INTERCHANGEABLE
Cap,orifice Nozzle
General Combustion Corp Sub of Gencor Industries Inc
5962-00-497-5855A300 INTERCHANGEABLE
Microcircuit,linear
Advanced Analog Inc. Dba International Rectifier
Cross-Reference Index
Part NumberManufacturer
58246 Drs Sustainment Systems Inc (USA)
C300 Sensata Technologies Maryland, Inc (USA)
A300 Sensata Technologies Maryland, Inc (USA)
8941991 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
G6.3BS40C2Z5A Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss) (USA)
SMC143398 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
300-143 Sensata Technologies Maryland, Inc (USA)
C747 Sensata Technologies Maryland, Inc (USA)
8185767 Us Army Aviation and Missile Command (USA)
58246 Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA)
58246 Drs Sustainment Systems, Inc. (USA)
SGMESPD143 Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss) (USA)
NC600 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
SGMES-PD-143/15 PRIMARY Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss) (USA)
58246 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
117282-000 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
231251 Kearfott Corporation Div Guidance and Navigation Division (USA)
8941991 Rca Corp Government and Commercial Systems Commercial Commications Systems Div (USA)
300 Sensata Technologies Maryland, Inc (USA)
354-1014-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
5940-00-110-2560INTERCHANGEABLE
TERMINAL,FEEDTHRU
300-143
3020-00-144-4708INTERCHANGEABLE
GEAR,SPUR
231251
6810-00-146-7515INTERCHANGEABLE
SULFURIC ACID
1-9680
5310-00-189-4395INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
5307-00-274-5544INTERCHANGEABLE
STUD,PLAIN
300143
5905-00-316-0546INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
6635-00-351-7853INTERCHANGEABLE
WEDGE,ANGLE BEAM
3820-00-429-7660INTERCHANGEABLE
VALVE
3895-00-489-6699INTERCHANGEABLE
CAP,ORIFICE NOZZLE
030.01.0043
5962-00-497-5855INTERCHANGEABLE
MICROCIRCUIT,LINEAR
A300
6130-00-500-0545INTERCHANGEABLE
VIBRATOR,SELF-RECTIFYING
C747
5961-00-783-5719INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
A300

Frequently Asked Questions

What is NSN 5945-00-553-9611?

NSN 5945-00-553-9611 is a Chopper,electronic, manufactured by Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss), classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-553-9611?

NSN 5945-00-553-9611 has 21 cross-referenced part numbers: 58246 (Drs Sustainment Systems Inc), C300 (Sensata Technologies Maryland, Inc), A300 (Sensata Technologies Maryland, Inc), 8941991 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), G6.3BS40C2Z5A (Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)) and 16 more.

What NSN replaces 5945-00-553-9611?

There are 12 known substitutes for 5945-00-553-9611: 5940-00-110-2560, 3020-00-144-4708, 6810-00-146-7515 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SGMES-PD-143/15?

Key specifications for SGMES-PD-143/15: Terminal Type: PIN; Overall Diameter: 0.750 INCHES MAXIMUM IN; Drive Voltage Relationship to Input Voltage: EQUAL; Contact Arrangement: SINGLE POLE, DOUBLE THROW. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-553-9611 still in active supply?

NSN 5945-00-553-9611 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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