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4778821 ✓ 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 SHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include overall_width: 3.156 INCHES NOMINAL IN, overall_height: 1.875 INCHES NOMINAL IN, overall_length: 5.719 INCHES NOMINAL IN, mounting_facility_type_and_quantity: 4 UNTHREADED HOLE(S). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-832-8206, 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
4778821
NSN: 5935-00-832-8206
FSC: 5935
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
overall_width3.156 INCHES NOMINAL IN
overall_height1.875 INCHES NOMINAL IN
overall_length5.719 INCHES NOMINAL IN
mounting_facility_type_and_quantity4 UNTHREADED HOLE(S)
NSN5935-00-832-8206
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHELL,ELECTRICAL CONNECTOR TITLE COMPONENT PN 4778821 MFR SHELL,ELECTRICAL CONNE
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S)
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT1.875 INCHES NOMINAL IN
OVERALL LENGTH5.719 INCHES NOMINAL IN
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S)
OVERALL WIDTH3.156 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
2678509Interchangeable
interchangeable cross-reference
interchangeable
ST29509Interchangeable
interchangeable cross-reference
interchangeable
5842Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-1/466Interchangeable
interchangeable cross-reference
interchangeable
5842-417BInterchangeable
interchangeable cross-reference
interchangeable
ARC5842Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4778821?
4778821 is a SHELL,ELECTRICAL CONNECTOR.
What parts can replace 4778821?
There are 17 known substitutes for 4778821: 2678509, ST29509, 5842 and 14 more. Substitute compatibility should be verified for your specific system.
Is 4778821 still available?
4778821 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026