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50551-8 ✓ 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 4 port 1GbE Adapter card is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_angle: 20.0 DEGREES ALL ENDS, bonnet_type: INSIDE SCREWINSIDE SCREW, thread_class: 3A ALL ENDS3A ALL ENDS A, overall_length: 2.168 INCHES NOMINAL IN, connection_type: UNTHREADED INTERNAL TUBE ALL ENDSUNTHREADED INTERNAL TUBE ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-009-7499, 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
50551-8
NSN: 5930-00-009-7499
FSC: 5930
CAGE: 08719 — DUCOMMUN LABARGE TECHNOLOGIES, INC DBA DUCOMMUN LABARGE TECHNOLOGIES, INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_angle20.0 DEGREES ALL ENDS
bonnet_typeINSIDE SCREWINSIDE SCREW
thread_class3A ALL ENDS3A ALL ENDS A
overall_length2.168 INCHES NOMINAL IN
connection_typeUNTHREADED INTERNAL TUBE ALL ENDSUNTHREADED INTERNAL TUBE ALL ENDS
connection_stylePLAIN (TUBE) ALL ENDSPLAIN (TUBE) ALL ENDS
special_featuresMAJ COMP: BOLT 1; HOUSING 1; LEGEND ON HOUSING LENS, SNAKE
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDSRIGHT-HAND ALL ENDS
surface_treatmentNICKEL
operating_pressure600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NSN5930-00-009-7499
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR CAP: 1GB IFACE: 1GbE 4 port 1GbE Adapter card TITLE COMPONENT PN 50551-8 MFR 4 port 1GbE Adapter ca
KEY FEATURES
•
1GbE Interface
•
1GB Capacity
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH2.168 INCHES NOMINAL IN
SPECIAL FEATURESMAJ COMP: BOLT 1; HOUSING 1; LEGEND ON HOUSING LENS, SNAKE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
B4HInterchangeable
interchangeable cross-reference
interchangeable
505518Interchangeable
interchangeable cross-reference
interchangeable
B-4HKInterchangeable
interchangeable cross-reference
interchangeable
5018-TInterchangeable
interchangeable cross-reference
interchangeable
5889Interchangeable
interchangeable cross-reference
interchangeable
T314005608Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50551-8?
50551-8 is a 4 port 1GbE Adapter card.
What parts can replace 50551-8?
There are 7 known substitutes for 50551-8: B4H, 505518, B-4HK and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50551-8?
50551-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-009-7499. 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