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Technical Data Sheet
PartsTable / COMPONENT / 16556-1
16556-1 ✓ 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

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include material: PLASTIC BODY, body_style: TOP MOUNT, overall_width: 0.375 INCHES NOMINAL IN, overall_height: 0.478 INCHES NOMINAL IN, overall_length: 0.687 INCHES NOMINAL IN, mounting_method: TERMINAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-01-045-0142, 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
16556-1
NSN: 5935-01-045-0142
FSC: 5935
CAGE: 58900 — GIGA-TRONICS INCORPORATED DBA GIGA-TRONICS (USA)
SPECIFICATIONS
materialPLASTIC BODY
body_styleTOP MOUNT
overall_width0.375 INCHES NOMINAL IN
overall_height0.478 INCHES NOMINAL IN
overall_length0.687 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length0.516 INCHES NOMINAL IN
polarization_typeSLOT
precious_materialGOLD
surface_treatmentGOLD CONTACT
terminal_type_and_quantity14 PRINTED CIRCUIT
precious_material_and_weight0.014 GOLD GRAINS, TROY
NSN5935-01-045-0142
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,PLUG-IN ELECTRONIC COMPON TITLE COMPONENT PN 16556-1 MFR SOCKET,PLUG-IN ELECTRO
KEY FEATURES
•
MATERIAL: COPPER ALLOY CONTACT
•
PRECIOUS MATERIAL: GOLD
•
PRECIOUS MATERIAL AND WEIGHT: 0.014 GOLD GRAINS, TROY
•
PRECIOUS MATERIAL AND LOCATION: CONTACT SURFACES GOLD
•
TERMINAL TYPE AND QUANTITY: 14 PRINTED CIRCUIT
•
SURFACE TREATMENT: GOLD CONTACT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY CONTACT
PRECIOUS MATERIALGOLD
PRECIOUS MATERIAL AND WEIGHT0.014 GOLD GRAINS, TROY
MATERIALPLASTIC BODY
PRECIOUS MATERIAL AND LOCATIONCONTACT SURFACES GOLD
TERMINAL TYPE AND QUANTITY14 PRINTED CIRCUIT
SURFACE TREATMENTGOLD CONTACT
OVERALL WIDTH0.375 INCHES NOMINAL IN
MOUNTING METHODTERMINAL
BODY STYLETOP MOUNT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
13805Interchangeable
interchangeable cross-reference
interchangeable
57012Interchangeable
interchangeable cross-reference
interchangeable
40-1930PC34Interchangeable
interchangeable cross-reference
interchangeable
74030Interchangeable
interchangeable cross-reference
interchangeable
71091Interchangeable
interchangeable cross-reference
interchangeable
3522 500 23503Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 16556-1?
16556-1 is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace 16556-1?
There are 24 known substitutes for 16556-1: 13805, 57012, 40-1930PC34 and 21 more. Substitute compatibility should be verified for your specific system.
Is 16556-1 still available?
16556-1 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