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Technical Data Sheet
PartsTable / COMPONENT / 451-55
451-55 ✓ Verified by PartsTable
Ugreen · 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

7-in-1 Multiport Adapter, 4K@60Hz HDMI to USB C, 100W PD, SD/TF Card Reader, 2 USB 3.0 Ports, MacBook Docking Station Compatible with Mac M1, M2, iPad, Steam Deck. Key specifications include material: STEEL COMP 1010, gear_type: WORM, design_type: SINGLE REDUCTION, head_height: 0.094 INCHES NOMINAL IN, total_ratio: 45.0 TO 1, overall_height: 0.406 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 6625-00-034-6347, 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
451-55
NSN: 6625-00-034-6347
FSC: 6625
CAGE: 28009 — SYPRIS ELECTRONICS, LLC DIV SYPRIS ELECTRONICS, LLC - COLORADO FIELD SERVICES (USA)
SPECIFICATIONS
materialSTEEL COMP 1010
gear_typeWORM
design_typeSINGLE REDUCTION
head_height0.094 INCHES NOMINAL IN
total_ratio45.0 TO 1
overall_height0.406 INCHES NOMINAL IN
prong_quantity12
style_designatorSTANDARD
surface_treatmentCADMIUM OR ZINC
head_outside_diameter1.641 INCHES NOMINAL IN
prong_outside_diameter1.525 INCHES NOMINAL IN
end_item_identificationTARAWA CLASS LHA
NSN6625-00-034-6347
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Ugreen GEAR ASSEMBLY,SPEED DECREASER TITLE COMPONENT PN 451-55 MFR Ugreen GEAR ASSEMBLY,SPEED DE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
83708Interchangeable
interchangeable cross-reference
interchangeable
NAS-451-55Interchangeable
interchangeable cross-reference
interchangeable
451-55Interchangeable
interchangeable cross-reference
interchangeable
94-NNS101-HInterchangeable
interchangeable cross-reference
interchangeable
94-NNS101-H-A8-2Interchangeable
interchangeable cross-reference
interchangeable
PLBC10-1 ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 451-55?
451-55 is a GEAR ASSEMBLY,SPEED DECREASER manufactured by Ugreen.
What parts can replace 451-55?
There are 6 known substitutes for 451-55: 83708, NAS-451-55, 451-55 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 451-55?
451-55 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-034-6347. 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