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Technical Data Sheet
185578-1 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include body_style: STRAIGHT SHAPE THREADED, shell_type: SOLID, thread_class: 2A A, terminal_type: SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING, overall_length: 1.077 INCHES MINIMUM AND 1.117 INCHES MAXIMUM IN, shell_material: COPPER ALLOY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-137-4524, 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
185578-1
NSN: 5935-00-137-4524
FSC: 5935
CAGE: 37695 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
body_styleSTRAIGHT SHAPE THREADED
shell_typeSOLID
thread_class2A A
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
overall_length1.077 INCHES MINIMUM AND 1.117 INCHES MAXIMUM IN
shell_materialCOPPER ALLOY
insert_materialPLASTIC TETRAFLUOROETHYLENE SINGLE MATING END
contact_materialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
overall_diameter0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
precious_materialGOLD AND SILVER
terminal_locationBACK SINGLE MATING END SINGLE CONTACT GROUPING
NSN5935-00-137-4524
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN 185578-1 MFR CONNECTOR,RECEPTACLE,E
KEY FEATURES
OVERALL DIAMETER: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
THREAD CLASS: 2A A
CONTACT SURFACE TREATMENT: SILVER SINGLE MATING END SINGLE CONTACT GROUPING
THREAD SERIES DESIGNATOR: UNEF
TERMINAL LOCATION: BACK SINGLE MATING END SINGLE CONTACT GROUPING
INCLUDED CONTACT QUANTITY: 1 SINGLE MATING END SINGLE CONTACT GROUPING
PRECIOUS MATERIAL AND LOCATION: BODY SURFACE GOLD AND CONTACT SURFACE SILVER
SHELL MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
THREAD CLASS2A A
CONTACT SURFACE TREATMENTSILVER SINGLE MATING END SINGLE CONTACT GROUPING
THREAD SERIES DESIGNATORUNEF
TERMINAL LOCATIONBACK SINGLE MATING END SINGLE CONTACT GROUPING
INCLUDED CONTACT QUANTITY1 SINGLE MATING END SINGLE CONTACT GROUPING
PRECIOUS MATERIAL AND LOCATIONBODY SURFACE GOLD AND CONTACT SURFACE SILVER
SHELL MATERIALCOPPER ALLOY
CONNECTOR LOCKING METHODBAYONET PIN
BUSHING ACCOMMODATION HOLE SHAPEROUND W/FLAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
565972Interchangeable
interchangeable cross-reference
interchangeable
31-4890-1Interchangeable
interchangeable cross-reference
interchangeable
10684234Interchangeable
interchangeable cross-reference
interchangeable
48904Interchangeable
interchangeable cross-reference
interchangeable
48907Interchangeable
interchangeable cross-reference
interchangeable
31-4890-4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 185578-1?
185578-1 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 185578-1?
There are 6 known substitutes for 185578-1: 565972, 31-4890-1, 10684234 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 185578-1?
185578-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-137-4524. This indicates validated use in U.S. government and defense supply chains.
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