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A550 ✓ 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 BODY,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, barrel_height: 0.094 INCHES NOMINAL IN, barrel_outside_diameter: 0.275 INCHES NOMINAL IN, end_item_identification: RF-5051 AND RF-5054/SSK, barrel_largest_outside_diameter: 0.375 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-386-3429, 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
A550
NSN: 2805-00-386-3429
FSC: 2805
CAGE: 77576 — STERLING DIV FEDERAL MOGUL CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
barrel_height0.094 INCHES NOMINAL IN
barrel_outside_diameter0.275 INCHES NOMINAL IN
end_item_identificationRF-5051 AND RF-5054/SSK
barrel_largest_outside_diameter0.375 INCHES NOMINAL IN
NSN2805-00-386-3429
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR BODY,PLUG,ELECTRICAL TITLE COMPONENT PN A550 MFR CONNECTOR BODY,PLUG,EL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
4337Interchangeable
interchangeable cross-reference
interchangeable
4337AInterchangeable
interchangeable cross-reference
interchangeable
628Interchangeable
interchangeable cross-reference
interchangeable
105TInterchangeable
interchangeable cross-reference
interchangeable
V450AInterchangeable
interchangeable cross-reference
interchangeable
A5-50Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A550?
A550 is a CONNECTOR BODY,PLUG,ELECTRICAL.
What parts can replace A550?
There are 16 known substitutes for A550: 4337, 4337A, 628 and 13 more. Substitute compatibility should be verified for your specific system.
Is A550 still available?
A550 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026