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PartsTable / COMPONENT / UG643U
UG643U ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The ADAPTER,CONNECTOR is a the manufacturer industrial component. Key specifications include body_style: STRAIGHT SHAPE, INTERNAL COUPLING, shell_type: SOLID, overall_length: 1.291 INCHES MAXIMUM IN, shell_material: COPPER ALLOY, insert_material: PLASTIC TETRAFLUOROETHYLENE ALL MATING ENDS, contact_material: COPPER ALLOY ALL MATING ENDS SINGLE CONTACT GROUPING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-259-0019, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
UG643U
NSN: 5935-00-259-0019
FSC: 5935
CAGE: 80058 — JOINT ELECTRONICS TYPE DESIGNATION SYSTEM (USA)
SPECIFICATIONS
body_styleSTRAIGHT SHAPE, INTERNAL COUPLING
shell_typeSOLID
overall_length1.291 INCHES MAXIMUM IN
shell_materialCOPPER ALLOY
insert_materialPLASTIC TETRAFLUOROETHYLENE ALL MATING ENDS
contact_materialCOPPER ALLOY ALL MATING ENDS SINGLE CONTACT GROUPING
overall_diameter0.766 INCHES NOMINAL IN
precious_materialSILVER
mating_end_quantity2
polarization_methodKEYWAY OR MULTIPLE KEYWAY
contact_removabilityNONREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING
included_contact_typeCOAXIAL SOCKET ALL MATING ENDS SINGLE CONTACT GROUPING
NSN5935-00-259-0019
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADAPTER,CONNECTOR TITLE COMPONENT PN UG643U MFR ADAPTER,CONNECTOR
KEY FEATURES
•
SHELL MATERIAL: COPPER ALLOY
•
OVERALL DIAMETER: 0.766 INCHES NOMINAL IN
•
PRECIOUS MATERIAL: SILVER
•
CONTACT REMOVABILITY: NONREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING
•
INSERT MATERIAL: PLASTIC TETRAFLUOROETHYLENE ALL MATING ENDS
•
INCLUDED CONTACT QUANTITY: 2 ALL MATING ENDS SINGLE CONTACT GROUPING
•
CONTACT SURFACE TREATMENT: SILVER ALL MATING ENDS SINGLE CONTACT GROUPING
•
TEST DATA DOCUMENT: 81349-MIL-A-55339 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.).
TECHNICAL CHARACTERISTICS (FLIS)
SHELL MATERIALCOPPER ALLOY
OVERALL DIAMETER0.766 INCHES NOMINAL IN
PRECIOUS MATERIALSILVER
CONTACT REMOVABILITYNONREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING
INSERT MATERIALPLASTIC TETRAFLUOROETHYLENE ALL MATING ENDS
INCLUDED CONTACT QUANTITY2 ALL MATING ENDS SINGLE CONTACT GROUPING
CONTACT SURFACE TREATMENTSILVER ALL MATING ENDS SINGLE CONTACT GROUPING
TEST DATA DOCUMENT81349-MIL-A-55339 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.).
INSERT POSITION IN DEG0.0
POLARIZATION METHODKEYWAY OR MULTIPLE KEYWAY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
GP1/7.50/8.25-14/TR13/OFF CENTERInterchangeable
interchangeable cross-reference
interchangeable
ZZ-I-550Interchangeable
interchangeable cross-reference
interchangeable
7.50/8.25-14Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-43925Interchangeable
interchangeable cross-reference
interchangeable
8-2-514Interchangeable
interchangeable cross-reference
interchangeable
82514CSDInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is UG643U?
UG643U is a ADAPTER,CONNECTOR.
What parts can replace UG643U?
There are 15 known substitutes for UG643U: GP1/7.50/8.25-14/TR13/OFF CENTER, ZZ-I-550, 7.50/8.25-14 and 12 more. Substitute compatibility should be verified for your specific system.
Is UG643U still available?
UG643U is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026