PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UG23EUConnector,plug,electrical

Lockheed Martin Corporation Div Rms · NSN 5935-00-881-6398 · FSC 5935 · No Item Name Available
Verified by PartsTable
NSN 5935-00-881-6398 — this item is cataloged by the U.S. Government under National Stock Number 5935-00-881-6398. Primary manufacturer part number: UG23EU.
Features
  • Connector,plug,electrical — FSC 5935
  • Included Contact Quantity: 1 SINGLE MATING END SINGLE CONTACT GROUPING
  • Nominal Thread Size: 0.625 INCHES IN
  • Shell Surface Treatment: ANODIZE
  • Thread Series Designator: UNEF
  • Insert Material: PLASTIC SINGLE MATING END
  • Cable Entrance Diameter: 0.400 INCHES NOMINAL IN
  • Shell Material: COPPER
Applications
  • Electrical interconnection
  • Signal interface mating
  • Quick-disconnect coupling
General Description

The Connector,plug,electrical, cataloged under National Stock Number 5935-00-881-6398, is classified within Federal Supply Class 5935 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 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
NSN5935-00-881-6398
Primary Part NumberUG23EU
Item NameConnector,plug,electrical
FSC / FSG5935 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms
StatusCANCELLED
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.625 INCHES IN
Shell Surface TreatmentANODIZE
Thread Series DesignatorUNEF
Insert MaterialPLASTIC SINGLE MATING END
Cable Entrance Diameter0.400 INCHES NOMINAL IN
Shell MaterialCOPPER
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodEXTERNALLY THREADED SHELL
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Test Data Document81349-MIL-C-71 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.).
Specification/standard Data81349-MIL-C-71 GOVERNMENT SPECIFICATION
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Shell TypeSOLID
Threaded Device TypeBACK SHELL
Mating End Quantity1
Overall Diameter0.750 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5935-00-201-2411 INTERCHANGEABLE
Adapter,connector
4730-00-236-627482209 INTERCHANGEABLE
Elbow,tube
Mitsubishi Caterpillar Forklift America, Inc
5935-00-241-1945 INTERCHANGEABLE
Connector,plug,electrical
5935-00-306-2222 INTERCHANGEABLE
Cover,electrical Connector
5935-00-518-8846 INTERCHANGEABLE
Adapter,connector
5935-00-577-8776 INTERCHANGEABLE
Connector,plug,electrical
6625-00-581-589482038 INTERCHANGEABLE
Detecting Element,directional Co
Cdi Industries Inc
3040-00-606-117125D PR REPL DISC INTERCHANGEABLE
Lining,friction
Emerson Electric Co Browning Mfg Div
5330-00-618-2328 INTERCHANGEABLE
Gasket
5330-00-618-3376 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
UG23EU Lockheed Martin Corporation Div Rms (USA)
5M4521-220-64 Hensoldt Sensors Gmbh Div Seps (DEU)
MILC71 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
UG23EU Joint Electronics Type Designation System (USA)
25D Itt Cannon Electric Phoenix Div (USA)
MS91237-23E Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
UG23EU General Electric Company (USA)
MS91237-23EU Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
82-209 Amphenol Corporation Div Amphenol Rf (USA)
Related Parts
5935-00-201-2411INTERCHANGEABLE
ADAPTER,CONNECTOR
4730-00-236-6274INTERCHANGEABLE
ELBOW,TUBE
82209
5935-00-241-1945INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-00-306-2222INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
5935-00-518-8846INTERCHANGEABLE
ADAPTER,CONNECTOR
5935-00-577-8776INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
6625-00-581-5894INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
82038
3040-00-606-1171INTERCHANGEABLE
LINING,FRICTION
25D PR REPL DISC
5330-00-618-2328INTERCHANGEABLE
GASKET
5330-00-618-3376INTERCHANGEABLE
GASKET
5935-00-683-2402INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5935-00-702-3605INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL

Frequently Asked Questions

What is NSN 5935-00-881-6398?

NSN 5935-00-881-6398 is a Connector,plug,electrical, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5935 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5935-00-881-6398?

NSN 5935-00-881-6398 has 9 cross-referenced part numbers: UG23EU (Lockheed Martin Corporation Div Rms), 5M4521-220-64 (Hensoldt Sensors Gmbh Div Seps), MILC71 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), UG23EU (Joint Electronics Type Designation System), 25D (Itt Cannon Electric Phoenix Div) and 4 more.

What NSN replaces 5935-00-881-6398?

There are 12 known substitutes for 5935-00-881-6398: 5935-00-201-2411, 4730-00-236-6274, 5935-00-241-1945 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of UG23EU?

Key specifications for UG23EU: Included Contact Quantity: 1 SINGLE MATING END SINGLE CONTACT GROUPING; Nominal Thread Size: 0.625 INCHES IN; Shell Surface Treatment: ANODIZE; Thread Series Designator: UNEF. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5935-00-881-6398 still in active supply?

NSN 5935-00-881-6398 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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