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Technical Data Sheet
PartsTable / MRO / 666-2
666-2 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

ADAPTER,ELECTRICAL PLUG,QUICK DI. Key specifications include width: 0.500 INCHES NOMINAL IN, length: 25.000 FEET NOMINAL FT, material: STEEL LOCATION NOT OTHERWISE SPECIFIED, end_style: SPRING END,GROUND BOTH ENDS, thickness: 0.0020 INCHES NOMINAL IN, tube_type: PENTODE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-00-172-9095, 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
MRO→ MRO_GENERAL→ 666-2
NSN: 4520-00-172-9095
FSC: 4520
CAGE: 7L969 — TELEDYNE STILL-MAN MFG TELEDYNE INC CO (USA)
SPECIFICATIONS
width0.500 INCHES NOMINAL IN
length25.000 FEET NOMINAL FT
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
end_styleSPRING END,GROUND BOTH ENDS
thickness0.0020 INCHES NOMINAL IN
tube_typePENTODE
body_shapeROUND
body_length0.750 INCHES NOMINAL IN
design_typeDRY
load_rating3.000 POUNDS NOMINAL LBS
coolant_typeAIR
bore_diameter0.5625 INCHES NOMINAL IN
NSN4520-00-172-9095
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADAPTER,ELECTRICAL PLUG,QUICK DI TITLE COMPONENT PN 666-2 MFR ADAPTER,ELECTRICAL PLU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
88867Interchangeable
interchangeable cross-reference
interchangeable
940-8Interchangeable
interchangeable cross-reference
interchangeable
6662Interchangeable
interchangeable cross-reference
interchangeable
A882PC69Interchangeable
interchangeable cross-reference
interchangeable
A1351PC67Interchangeable
interchangeable cross-reference
interchangeable
A1232PC18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 666-2?
666-2 is a ADAPTER,ELECTRICAL PLUG,QUICK DI. It is classified as a MRO (MRO_GENERAL).
What parts can replace 666-2?
There are 20 known substitutes for 666-2: 88867, 940-8, 6662 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 666-2?
666-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-00-172-9095. 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