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Technical Data Sheet
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51-518 — Technical Data Sheet

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Lindy · MRO · MRO_GENERAL
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

Adds 1 high speed eSATA + Power + USB 2.0 port to your notebook!<br>- Bus Type: ExpressCard/34<br>- Speed: Supports SATA II transfer rates of up to 3Gbps and USB 2.0 480Mbps<br>- Card connectors: 1 x Combo Power + eSATA + USB Female<br>- Chipset: Silicon Image 3132<br>- Port Multiplier and NCQ (Native Command Queuing) support<br>- For use with computers which feature ExpressCard expansion slots<br>- Compatible with Windows 2000/XP/Vista, Mac OS & Linux. This part is cataloged in the Federal Logistics Information System under NSN 3020-00-528-1249, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
MRO→ MRO_GENERAL→ 51-518
NSN: 3020-00-528-1249
FSC: 3020
CAGE: 86831 — SAFRAN ELECTRONICS & DEFENSE, AVIONICS USA, LLC DBA USE CAGE CODE 879B2 FOR CATALOGING (USA)
SPECIFICATIONS
materialSTEEL
body_styleRECTANGULAR W/MOUNTING HOLES
body_width0.190 INCHES NOMINAL IN
bore_styleINVOLUTE SPLINE BOTH ENDS
head_styleHEXAGON
tooth_formSTANDARD
body_height0.500 INCHES NOMINAL IN
body_length0.527 INCHES MINIMUM AND 0.533 INCHES MAXIMUM IN
design_typeNONREUSABLE
head_weight16.000 OUNCES OZ
shaft_styleROUND, SLOTTED
shaft_length0.030 INCHES NOMINAL IN
NSN3020-00-528-1249
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Lindy RESISTOR,VARIABLE,WIRE WOUND,NON TITLE COMPONENT PN 51-518 MFR Lindy RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
TEETH QUANTITY: 40
•
BORE NOMINAL DIAMETER: 0.226 INCHES BOTH ENDS IN
•
BORE STYLE: INVOLUTE SPLINE BOTH ENDS
•
NOMINAL OUTSIDE DIAMETER: 1.310 INCHES IN
•
MATERIAL: STEEL COMP 303 OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
SPLINE QUANTITY: 9 BOTH ENDS
•
STYLE DESIGNATOR: HUBLESS
TECHNICAL CHARACTERISTICS
TEETH QUANTITY40
BORE NOMINAL DIAMETER0.226 INCHES BOTH ENDS IN
BORE STYLEINVOLUTE SPLINE BOTH ENDS
NOMINAL OUTSIDE DIAMETER1.310 INCHES IN
MATERIALSTEEL COMP 303 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SPLINE QUANTITY9 BOTH ENDS
STYLE DESIGNATORHUBLESS
TOOTH FORMSTANDARD
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720,COMP 303S MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
D32211InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CW518MPInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
025-002824InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5151-008InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
627-259InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
27510InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51-518?
51-518 is a RESISTOR,VARIABLE,WIRE WOUND,NON manufactured by Lindy. It is classified as a MRO (MRO_GENERAL).
What parts can replace 51-518?
There are 10 known substitutes for 51-518: D32211, CW518MP, 025-002824 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51-518?
51-518 is cataloged in the Federal Logistics Information System under NSN 3020-00-528-1249. 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: September 2026