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PartsTable / COMPONENT / 40-81S3E0120
40-81S3E0120 ✓ 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

CONNECTOR BODY,RECEPTACLE,ELECTR. Key specifications include body_style: STRAIGHT SHAPE, shell_type: SOLID, thread_class: 2A A, overall_width: 3.375 INCHES NOMINAL IN, overall_height: 3.938 INCHES NOMINAL IN, shell_material: ALUMINUM ALLOY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-987-3546, 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
40-81S3E0120
NSN: 5935-00-987-3546
FSC: 5935
CAGE: 81312 — WINCHESTER INTERCONNECT CORPORATION DBA WINCHESTER INTERCONNECT DIV WINCHESTER INTERCONNECT (USA)
SPECIFICATIONS
body_styleSTRAIGHT SHAPE
shell_typeSOLID
thread_class2A A
overall_width3.375 INCHES NOMINAL IN
overall_height3.938 INCHES NOMINAL IN
shell_materialALUMINUM ALLOY
insert_materialPLASTIC POLYESTER ALL MATING ENDS
thread_directionRIGHT-HAND
mating_end_quantity2
nominal_thread_size0.164 INCHES IN
polarization_methodMATING END
threaded_device_typeCOUPLING FACILITY
NSN5935-00-987-3546
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR BODY,RECEPTACLE,ELECTR TITLE COMPONENT PN 40-81S3E0120 MFR CONNECTOR BODY,RECEPTA
KEY FEATURES
•
SHELL SURFACE TREATMENT: CADMIUM
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREADED DEVICE TYPE: COUPLING FACILITY
•
SHELL TYPE: SOLID
•
BODY STYLE: STRAIGHT SHAPE
•
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH: 2.875 INCHES NOMINAL IN
•
CONTACT POSITION ARRANGEMENT STYLE: 81 ALL MATING ENDS
TECHNICAL CHARACTERISTICS (FLIS)
SHELL SURFACE TREATMENTCADMIUM
OVERALL HEIGHT3.938 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREADED DEVICE TYPECOUPLING FACILITY
SHELL TYPESOLID
BODY STYLESTRAIGHT SHAPE
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH2.875 INCHES NOMINAL IN
CONTACT POSITION ARRANGEMENT STYLE81 ALL MATING ENDS
MATING END QUANTITY2
CONNECTOR LOCKING METHODSCREW
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
40187Interchangeable
interchangeable cross-reference
interchangeable
UD0804001-07Interchangeable
interchangeable cross-reference
interchangeable
UD84007Interchangeable
interchangeable cross-reference
interchangeable
C3NN6149TInterchangeable
interchangeable cross-reference
interchangeable
MQ1583Interchangeable
interchangeable cross-reference
interchangeable
A524Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40-81S3E0120?
40-81S3E0120 is a CONNECTOR BODY,RECEPTACLE,ELECTR.
What parts can replace 40-81S3E0120?
There are 8 known substitutes for 40-81S3E0120: 40187, UD0804001-07, UD84007 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40-81S3E0120?
40-81S3E0120 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-987-3546. 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