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516921 ✓ 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 material: STEEL COMP 8735, body_style: STRAIGHT SHAPE, INTERNAL COUPLING, shell_type: SOLID, thread_class: 2B, terminal_type: CRIMP SINGLE MATING END SINGLE CONTACT GROUPING, thread_length: 0.469 INCHES MINIMUM STUD THREAD IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-060-1571, 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
516921
NSN: 5935-00-060-1571
FSC: 5935
CAGE: 18342 — AMP INC (USA)
SPECIFICATIONS
materialSTEEL COMP 8735
body_styleSTRAIGHT SHAPE, INTERNAL COUPLING
shell_typeSOLID
thread_class2B
terminal_typeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
thread_length0.469 INCHES MINIMUM STUD THREAD IN
overall_length2.000 INCHES MAXIMUM IN
shell_materialCOPPER ALLOY
hardness_rating26.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
insert_materialPLASTIC SINGLE MATING END
contact_materialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
overall_diameter0.827 INCHES MAXIMUM IN
NSN5935-00-060-1571
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,PLUG,ELECTRICAL TITLE COMPONENT PN 516921 MFR CONNECTOR,PLUG,ELECTRI
KEY FEATURES
•
THREAD CLASS: 2B
•
CABLE ENTRANCE DIAMETER: 0.425 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.827 INCHES NOMINAL IN
•
CONTACT POSITION ARRANGEMENT STYLE: N SINGLE MATING END
•
CONTACT SURFACE TREATMENT: SILVER SINGLE MATING END SINGLE CONTACT GROUPING
•
PRECIOUS MATERIAL: SILVER
•
TERMINAL LOCATION: BACK SINGLE MATING END SINGLE CONTACT GROUPING
•
SHELL TYPE: SOLID
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
CABLE ENTRANCE DIAMETER0.425 INCHES NOMINAL IN
OVERALL DIAMETER0.827 INCHES NOMINAL IN
CONTACT POSITION ARRANGEMENT STYLEN SINGLE MATING END
CONTACT SURFACE TREATMENTSILVER SINGLE MATING END SINGLE CONTACT GROUPING
PRECIOUS MATERIALSILVER
TERMINAL LOCATIONBACK SINGLE MATING END SINGLE CONTACT GROUPING
SHELL TYPESOLID
SHELL SURFACE TREATMENTCADMIUM
PRECIOUS MATERIAL AND LOCATIONCONTACT SURFACES SILVER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
331985Interchangeable
interchangeable cross-reference
interchangeable
51692-1Interchangeable
interchangeable cross-reference
interchangeable
7414526Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-39012/01Interchangeable
interchangeable cross-reference
interchangeable
M39012/01-0008Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 516921?
516921 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 516921?
There are 5 known substitutes for 516921: 331985, 51692-1, 7414526 and 2 more. Substitute compatibility should be verified for your specific system.
Is 516921 still available?
516921 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