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Technical Data Sheet
491550-204 ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include overall_length: 3.000 INCHES NOMINAL IN, shell_material: COPPER ALLOY, insert_material: PLASTIC SINGLE MATING END, overall_diameter: 1.625 INCHES NOMINAL IN, special_features: STRAIGHT SHAPE,CORROSION RESISTANT SHELL, nominal_thread_size: 1.250 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-170-8182, 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
491550-204
NSN: 5935-00-170-8182
FSC: 5935
CAGE: 30086 — L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC. DBA SPD ELECTRICAL SYSTEMS, INC. (USA)
SPECIFICATIONS
overall_length3.000 INCHES NOMINAL IN
shell_materialCOPPER ALLOY
insert_materialPLASTIC SINGLE MATING END
overall_diameter1.625 INCHES NOMINAL IN
special_featuresSTRAIGHT SHAPE,CORROSION RESISTANT SHELL
mating_end_quantity1
nominal_thread_size1.250 INCHES IN
threaded_device_typeCOUPLING FACILITY
included_contact_typeCOAXIAL PIN SINGLE MATING END SINGLE CONTACT GROUPING
cable_entrance_diameter1.000 INCHES NOMINAL IN
environmental_protectionHUMIDITY RESISTANT
thread_series_designatorUNEF
NSN5935-00-170-8182
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,PLUG,ELECTRICAL TITLE COMPONENT PN 491550-204 MFR CONNECTOR,PLUG,ELECTRI
KEY FEATURES
MATING END QUANTITY: 1
CABLE ENTRANCE DIAMETER: 1.000 INCHES NOMINAL IN
INCLUDED CONTACT QUANTITY: 1 SINGLE MATING END SINGLE CONTACT GROUPING
THREAD SERIES DESIGNATOR: UNEF
INCLUDED CONTACT TYPE: COAXIAL PIN SINGLE MATING END SINGLE CONTACT GROUPING
NOMINAL THREAD SIZE: 1.250 INCHES IN
SHELL MATERIAL: COPPER ALLOY
RADIO FREQUENCY TYPE CONTACT CHARACTERISTIC IMPEDANCE IN OHMS: 52.0 SINGLE MATING END SINGLE CONTACT GROUPING
TECHNICAL CHARACTERISTICS (FLIS)
MATING END QUANTITY1
CABLE ENTRANCE DIAMETER1.000 INCHES NOMINAL IN
INCLUDED CONTACT QUANTITY1 SINGLE MATING END SINGLE CONTACT GROUPING
THREAD SERIES DESIGNATORUNEF
INCLUDED CONTACT TYPECOAXIAL PIN SINGLE MATING END SINGLE CONTACT GROUPING
NOMINAL THREAD SIZE1.250 INCHES IN
SHELL MATERIALCOPPER ALLOY
RADIO FREQUENCY TYPE CONTACT CHARACTERISTIC IMPEDANCE IN OHMS52.0 SINGLE MATING END SINGLE CONTACT GROUPING
SPECIAL FEATURESSTRAIGHT SHAPE,CORROSION RESISTANT SHELL
INSERT MATERIALPLASTIC SINGLE MATING END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
UG-325B/UInterchangeable
interchangeable cross-reference
interchangeable
357-9385-010Interchangeable
interchangeable cross-reference
interchangeable
REB49160Interchangeable
interchangeable cross-reference
interchangeable
REB49158REVAInterchangeable
interchangeable cross-reference
interchangeable
MS91596-216BInterchangeable
interchangeable cross-reference
interchangeable
UG216BUInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 491550-204?
491550-204 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 491550-204?
There are 19 known substitutes for 491550-204: UG-325B/U, 357-9385-010, REB49160 and 16 more. Substitute compatibility should be verified for your specific system.
Is 491550-204 still available?
491550-204 is currently cancelled.
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