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166NC84A ✓ 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 RETAINER,ELECTRON TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, nut_style: PUSH ON, body_width: 0.310 INCHES MAXIMUM IN, body_height: 0.185 INCHES MAXIMUM IN, body_length: 0.840 INCHES MAXIMUM IN, nut_diameter: 0.826 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 2825-00-997-0103, 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
166NC84A
NSN: 2825-00-997-0103
FSC: 2825
CAGE: 90660 — ENERSYS CORPORATION DIV MOTIVE POWER NATIONAL ACCOUNTS (USA)
SPECIFICATIONS
materialCOPPER ALLOY
nut_stylePUSH ON
body_width0.310 INCHES MAXIMUM IN
body_height0.185 INCHES MAXIMUM IN
body_length0.840 INCHES MAXIMUM IN
nut_diameter0.826 INCHES NOMINAL IN
overall_height0.750 INCHES NOMINAL IN
inside_diameter1.625 INCHES NOMINAL IN
style_designatorSINGLE FOOT, CLIP LOCKED, TENSION CLAMP
features_providedMONOLITHIC AND SCHOTTKY AND BIPOLAR
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
surface_treatmentPASSIVATE
NSN2825-00-997-0103
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,ELECTRON TUBE TITLE COMPONENT PN 166NC84A MFR RETAINER,ELECTRON TUBE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
5115-50Interchangeable
interchangeable cross-reference
interchangeable
41710Interchangeable
interchangeable cross-reference
interchangeable
2493779Interchangeable
interchangeable cross-reference
interchangeable
926H95Interchangeable
interchangeable cross-reference
interchangeable
ROM/PROM FAMILY 022Interchangeable
interchangeable cross-reference
interchangeable
M38510/20701BEAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 166NC84A?
166NC84A is a RETAINER,ELECTRON TUBE.
What parts can replace 166NC84A?
There are 10 known substitutes for 166NC84A: 5115-50, 41710, 2493779 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 166NC84A?
166NC84A is cataloged in the Federal Logistics Information System (FLIS) under NSN 2825-00-997-0103. 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