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Technical Data Sheet
55543 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The COVER,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: STEEL OUTER RING, face_type: CONCAVE, bore_shape: STRAIGHT, bore_style: PLAIN BOTH ENDS, bore_diameter: 17.00 MILLIMETERS NOMINAL MM, overall_width: 0.8750 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 3020-00-057-0804, 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
55543
NSN: 3020-00-057-0804
FSC: 3020
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL OUTER RING
face_typeCONCAVE
bore_shapeSTRAIGHT
bore_stylePLAIN BOTH ENDS
bore_diameter17.00 MILLIMETERS NOMINAL MM
overall_width0.8750 INCHES NOMINAL IN
seal_quantity2
load_directionRADIAL
pitch_diameter6.3500 INCHES NOMINAL IN
surface_finishGROUND
inner_ring_width0.5470 INCHES NOMINAL IN
outer_ring_width0.5630 INCHES NOMINAL IN
NSN3020-00-057-0804
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,ELECTRICAL CONNECTOR TITLE COMPONENT PN 55543 MFR COVER,ELECTRICAL CONNE
KEY FEATURES
PITCH DIAMETER: 6.3500 INCHES NOMINAL IN
NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END: 0.062 INCHES SECOND END IN
BORE STYLE: PLAIN BOTH ENDS
ATTACHMENT METHOD: MOUNTING HOLE
MOUNTING HOLE NOMINAL DIAMETER: 0.500 INCHES AXIALLY THROUGH BODY FIRST END IN
HUB NOMINAL DIAMETER: 4.250 INCHES BOTH ENDS IN
FACE TYPE: CONCAVE
HUB STYLE DESIGNATOR: PLAIN BOTH ENDS
TECHNICAL CHARACTERISTICS (FLIS)
PITCH DIAMETER6.3500 INCHES NOMINAL IN
NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END0.062 INCHES SECOND END IN
BORE STYLEPLAIN BOTH ENDS
ATTACHMENT METHODMOUNTING HOLE
MOUNTING HOLE NOMINAL DIAMETER0.500 INCHES AXIALLY THROUGH BODY FIRST END IN
HUB NOMINAL DIAMETER4.250 INCHES BOTH ENDS IN
FACE TYPECONCAVE
HUB STYLE DESIGNATORPLAIN BOTH ENDS
MOUNTING HOLE TYPE AND QUANTITY2 PLAIN AXIALLY THROUGH BODY FIRST END
BORE NOMINAL DIAMETER2.625 INCHES BOTH ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
001-30144Interchangeable
interchangeable cross-reference
interchangeable
5T5147Interchangeable
interchangeable cross-reference
interchangeable
MA1605Interchangeable
interchangeable cross-reference
interchangeable
9017DDS542Interchangeable
interchangeable cross-reference
interchangeable
36300PC10Interchangeable
interchangeable cross-reference
interchangeable
9017DDS542-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55543?
55543 is a COVER,ELECTRICAL CONNECTOR.
What parts can replace 55543?
There are 9 known substitutes for 55543: 001-30144, 5T5147, MA1605 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55543?
55543 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-057-0804. This indicates validated use in U.S. government and defense supply chains.
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