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731681 — CONNECTOR,RECEPTACLE,ELECTRICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

731681: CONNECTOR,RECEPTACLE,ELECTRICAL.

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: COPPER OVERALL, overall_width: 0.203 INCHES IN, overall_length: 0.594 INCHES IN, basic_shape_style: CRIMP, surface_treatment: TIN OVERALL SINGLE LAYER, material_thickness: 0.031 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5940-00-549-5978, 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
731681
NSN: 5940-00-549-5978
NIINs: 005495978, 015455308
FSC: 5940 — Lugs, Terminals, and Terminal Strips
CAGE: 2H631 — TE CONNECTIVITY CORPORATION (USA)
SPECIFICATIONS
materialCOPPER OVERALL
overall_width0.203 INCHES IN
overall_length0.594 INCHES IN
basic_shape_styleCRIMP
surface_treatmentTIN OVERALL SINGLE LAYER
material_thickness0.031 INCHES IN
mounting_method_styleRING
mounting_tongue_width0.203 INCHES IN
mounting_hole_diameter0.146 INCHES IN
end_item_identificationMV-22 AIRCRAFT
mounting_facility_thickness0.031 INCHES IN
conductor_accommodation_typeSTRAIGHT BARREL SINGLE END
NSN5940-00-549-5978
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN 731681 MFR CONNECTOR,RECEPTACLE,E
KEY FEATURES
•
MOUNTING FACILITY THICKNESS: 0.031 INCHES IN
•
MOUNTING HOLE DIAMETER: 0.146 INCHES IN
•
MAXIMUM CONDUCTOR SIZE ACCOMMODATED: 22 AWG
•
BASIC SHAPE STYLE: CRIMP
•
MOUNTING METHOD STYLE: RING
•
ELECTRICAL INSULATION FEATURE: UNINSULATED
TECHNICAL CHARACTERISTICS
OVERALL LENGTH0.594 INCHES IN
MOUNTING FACILITY THICKNESS0.031 INCHES IN
MOUNTING HOLE DIAMETER0.146 INCHES IN
MAXIMUM CONDUCTOR SIZE ACCOMMODATED22 AWG
BASIC SHAPE STYLECRIMP
MOUNTING METHOD STYLERING
ELECTRICAL INSULATION FEATUREUNINSULATED
OVERALL WIDTH0.203 INCHES IN
CONDUCTOR ACCOMMODATION TYPESTRAIGHT BARREL SINGLE END
SURFACE TREATMENTTIN OVERALL SINGLE LAYER
SUBSTITUTES & CROSS-REFERENCES 2
B11058Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
20355Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 731681?
731681 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 731681?
There are 2 known substitutes for 731681: B11058, 20355. Substitute compatibility should be verified for your specific system.
What is the NSN for 731681?
731681 is cataloged in the U.S. Government catalog under NSN 5940-00-549-5978. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.