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PartsTable / COMPONENT / 3521-C
3521-C ✓ 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 body_style: STRAIGHT SHAPE W/CLAMP, shell_type: SOLID, terminal_type: SCREW SINGLE MATING END SINGLE CONTACT GROUPING, overall_height: 1.600 INCHES NOMINAL IN, insert_material: PLASTIC SINGLE MATING END, overall_diameter: 2.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-899-3669, 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
3521-C
NSN: 5935-00-899-3669
FSC: 5935
CAGE: 74545 — HUBBELL INCORPORATED (DELAWARE) DBA WIRING DEVICE-KELLEMS DIVISION (USA)
SPECIFICATIONS
body_styleSTRAIGHT SHAPE W/CLAMP
shell_typeSOLID
terminal_typeSCREW SINGLE MATING END SINGLE CONTACT GROUPING
overall_height1.600 INCHES NOMINAL IN
insert_materialPLASTIC SINGLE MATING END
overall_diameter2.000 INCHES NOMINAL IN
terminal_locationBACK SINGLE MATING END SINGLE CONTACT GROUPING
mating_end_quantity1
polarization_methodCONTACT
contact_removabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
included_contact_typeCURVED PIN W/INSIDE LIP SINGLE MATING END SINGLE CONTACT GROUPING
cable_entrance_diameter0.625 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
NSN5935-00-899-3669
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,PLUG,ELECTRICAL TITLE COMPONENT PN 3521-C MFR CONNECTOR,PLUG,ELECTRI
KEY FEATURES
•
CONTACT MAXIMUM CURRENT RATING IN AMPS: 20.0 SINGLE MATING END SINGLE CONTACT GROUPING
•
CONNECTOR LOCKING METHOD: CONTACT TWISTLOCK
•
MATING END QUANTITY: 1
•
OVERALL DIAMETER: 2.000 INCHES NOMINAL IN
•
INSERT MATERIAL: PLASTIC SINGLE MATING END
•
INCLUDED CONTACT QUANTITY: 4 SINGLE MATING END SINGLE CONTACT GROUPING
•
CONTACT REMOVABILITY: NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
•
CONTACT MAXIMUM AC VOLTAGE RATING IN VOLTS: 600.0 SINGLE MATING END SINGLE CONTACT GROUPING
TECHNICAL CHARACTERISTICS (FLIS)
CONTACT MAXIMUM CURRENT RATING IN AMPS20.0 SINGLE MATING END SINGLE CONTACT GROUPING
CONNECTOR LOCKING METHODCONTACT TWISTLOCK
MATING END QUANTITY1
OVERALL DIAMETER2.000 INCHES NOMINAL IN
INSERT MATERIALPLASTIC SINGLE MATING END
INCLUDED CONTACT QUANTITY4 SINGLE MATING END SINGLE CONTACT GROUPING
CONTACT REMOVABILITYNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
CONTACT MAXIMUM AC VOLTAGE RATING IN VOLTS600.0 SINGLE MATING END SINGLE CONTACT GROUPING
CONTACT POSITION ARRANGEMENT STYLE4 SINGLE MATING END
TERMINAL LOCATIONBACK SINGLE MATING END SINGLE CONTACT GROUPING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
1540Interchangeable
interchangeable cross-reference
interchangeable
NON250318ZInterchangeable
interchangeable cross-reference
interchangeable
45090R1540Interchangeable
interchangeable cross-reference
interchangeable
EE215040-215098Interchangeable
interchangeable cross-reference
interchangeable
10A3779PC4Interchangeable
interchangeable cross-reference
interchangeable
6-76070-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3521-C?
3521-C is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 3521-C?
There are 16 known substitutes for 3521-C: 1540, NON250318Z, 45090R1540 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3521-C?
3521-C is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-899-3669. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026