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PartsTable / COMPONENT / 640-20S2A1
640-20S2A1 ✓ 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 color: BLACK, material: STEEL BODY, tip_type: STRAIGHT, body_style: ROUND, shell_type: SOLID, tip_length: 0.562 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 5945-01-178-8305, 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
640-20S2A1
NSN: 5945-01-178-8305
FSC: 5945
CAGE: 04221 — MIDLAND-ROSS CORP MIDTEX DIV
SPECIFICATIONS
colorBLACK
materialSTEEL BODY
tip_typeSTRAIGHT
body_styleROUND
shell_typeSOLID
tip_length0.562 INCHES NOMINAL IN
current_typeDC
tip_diameter0.062 INCHES NOMINAL IN
terminal_typeSCREW W/WIRE LOCK SINGLE MATING END SINGLE CONTACT GROUPING
tip_end_styleCONICAL
overall_height2.063 INCHES NOMINAL IN
overall_length1.640 INCHES NOMINAL IN
NSN5945-01-178-8305
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,PLUG,ELECTRICAL TITLE COMPONENT PN 640-20S2A1 MFR CONNECTOR,PLUG,ELECTRI
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
7545Interchangeable
interchangeable cross-reference
interchangeable
161B545Interchangeable
interchangeable cross-reference
interchangeable
5-11-1808Interchangeable
interchangeable cross-reference
interchangeable
13699-1A3Interchangeable
interchangeable cross-reference
interchangeable
DN0-30BD14BInterchangeable
interchangeable cross-reference
interchangeable
6727 REV A ITEM 15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 640-20S2A1?
640-20S2A1 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 640-20S2A1?
There are 15 known substitutes for 640-20S2A1: 7545, 161B545, 5-11-1808 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 640-20S2A1?
640-20S2A1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-01-178-8305. 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