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PartsTable / COMPONENT / 3550J
3550J ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include width: 0.469 INCHES NOMINAL IN, material: STEEL COMP 1009, ear_width: 0.312 INCHES NOMINAL IN, body_width: 0.469 INCHES NOMINAL IN, body_height: 0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, center_radius: 1.312 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 2520-00-459-6246, 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
3550J
NSN: 2520-00-459-6246
FSC: 2520
CAGE: 66155 — PORTA DRILL INC (USA)
SPECIFICATIONS
width0.469 INCHES NOMINAL IN
materialSTEEL COMP 1009
ear_width0.312 INCHES NOMINAL IN
body_width0.469 INCHES NOMINAL IN
body_height0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
center_radius1.312 INCHES NOMINAL IN
plate_thickness0.042 INCHES NOMINAL IN
style_designatorCONCAVE
features_providedHERMETICALLY SEALED AND MONOLITHIC AND NEGATIVE OUTPUTS AND POSITIVE OUTPUTS
inclosure_materialGLASS AND METAL
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
NSN2520-00-459-6246
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN 3550J MFR RESISTOR,VARIABLE,WIRE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
37337HInterchangeable
interchangeable cross-reference
interchangeable
128SAV61990-3Interchangeable
interchangeable cross-reference
interchangeable
3550JInterchangeable
interchangeable cross-reference
interchangeable
3550SInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3550J?
3550J is a RESISTOR,VARIABLE,WIRE WOUND,PRE.
What parts can replace 3550J?
There are 4 known substitutes for 3550J: 37337H, 128SAV61990-3, 3550J and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3550J?
3550J is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-459-6246. 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