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Technical Data Sheet
31-203-1020 ✓ 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,RECEPTACLE,ELECTRICAL. Key specifications include overall_width: 0.688 INCHES NOMINAL IN, overall_height: 0.688 INCHES NOMINAL IN, overall_length: 1.000 INCHES NOMINAL IN, shell_material: COPPER ALLOY, insert_material: PLASTIC SINGLE MATING END, included_contact_type: COAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-131-3816, 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
31-203-1020
NSN: 5935-00-131-3816
FSC: 5935
CAGE: 77820 — AMPHENOL CORP DIV AMPHENOL AEROSPACE OPERATIONS (USA)
SPECIFICATIONS
overall_width0.688 INCHES NOMINAL IN
overall_height0.688 INCHES NOMINAL IN
overall_length1.000 INCHES NOMINAL IN
shell_materialCOPPER ALLOY
insert_materialPLASTIC SINGLE MATING END
mating_end_quantity1
included_contact_typeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
included_contact_quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
unthreaded_mounting_hole_diameter0.120 INCHES NOMINAL IN
center_to_center_distance_between_mounting_facilities_parallel_to_length0.500 INCHES NOMINAL IN
distance_between_centerlines_of_mounting_facilities_parallel_to_body_width0.500 INCHES NOMINAL IN
NSN5935-00-131-3816
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN 31-203-1020 MFR CONNECTOR,RECEPTACLE,E
KEY FEATURES
INCLUDED CONTACT TYPE: COAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
INSERT MATERIAL: PLASTIC SINGLE MATING END
SHELL MATERIAL: COPPER ALLOY
INCLUDED CONTACT QUANTITY: 1 SINGLE MATING END SINGLE CONTACT GROUPING
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH: 0.500 INCHES NOMINAL IN
MATING END QUANTITY: 1
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.000 INCHES NOMINAL IN
INCLUDED CONTACT TYPECOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
INSERT MATERIALPLASTIC SINGLE MATING END
SHELL MATERIALCOPPER ALLOY
INCLUDED CONTACT QUANTITY1 SINGLE MATING END SINGLE CONTACT GROUPING
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH0.500 INCHES NOMINAL IN
OVERALL WIDTH0.688 INCHES NOMINAL IN
MATING END QUANTITY1
OVERALL HEIGHT0.688 INCHES NOMINAL IN
UNTHREADED MOUNTING HOLE DIAMETER0.120 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
06715Interchangeable
interchangeable cross-reference
interchangeable
6715Interchangeable
interchangeable cross-reference
interchangeable
3161Interchangeable
interchangeable cross-reference
interchangeable
M5-11Interchangeable
interchangeable cross-reference
interchangeable
S7-11Interchangeable
interchangeable cross-reference
interchangeable
177033-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31-203-1020?
31-203-1020 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 31-203-1020?
There are 16 known substitutes for 31-203-1020: 06715, 6715, 3161 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31-203-1020?
31-203-1020 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-131-3816. This indicates validated use in U.S. government and defense supply chains.
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