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Technical Data Sheet
PartsTable / MRO / 3550S
3550S ✓ Verified by PartsTable
— · 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

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include body_style: CYLINDRICAL SERVO MOUNTED, body_height: 0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 1.580 INCHES MAXIMUM IN, shaft_style: ROUND, bearing_type: BALL SHAFT, pilot_length: 0.0620 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 5905-01-007-7037, 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
MRO→ MRO_GENERAL→ 3550S
NSN: 5905-01-007-7037
FSC: 5905
CAGE: 32997 — BOURNS INC (USA)
SPECIFICATIONS
body_styleCYLINDRICAL SERVO MOUNTED
body_height0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length1.580 INCHES MAXIMUM IN
shaft_styleROUND
bearing_typeBALL SHAFT
pilot_length0.0620 INCHES NOMINAL IN
shaft_length1.875 INCHES NOMINAL IN
shaft_runout0.001 INCHES IN
actuator_typeSINGLE SHAFT
body_diameter0.875 INCHES MAXIMUM IN
lateral_runout0.003 INCHES IN
pilot_diameter0.6250 INCHES NOMINAL IN
NSN5905-01-007-7037
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN 3550S MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
SECTION QUANTITY: 1
•
POWER DISSIPATION RATING PER SECTION IN WATTS: 2.5 FREE AIR SINGLE SECTION
•
RESISTANCE TOLERANCE PER SECTION IN PERCENT: -3.0 TO 3.0 SINGLE SECTION
•
ELECTRICAL RESISTANCE PER SECTION: 10.000 KILOHMS SINGLE SECTION
TECHNICAL CHARACTERISTICS (FLIS)
SECTION QUANTITY1
POWER DISSIPATION RATING PER SECTION IN WATTS2.5 FREE AIR SINGLE SECTION
RESISTANCE TOLERANCE PER SECTION IN PERCENT-3.0 TO 3.0 SINGLE SECTION
ELECTRICAL RESISTANCE PER SECTION10.000 KILOHMS SINGLE SECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
128SAV61990-3Interchangeable
interchangeable cross-reference
interchangeable
3550JInterchangeable
interchangeable cross-reference
interchangeable
3550SInterchangeable
interchangeable cross-reference
interchangeable
1476-0468-16Interchangeable
interchangeable cross-reference
interchangeable
7223Interchangeable
interchangeable cross-reference
interchangeable
1476-0468-8Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3550S?
3550S is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3550S?
There are 6 known substitutes for 3550S: 128SAV61990-3, 3550J, 3550S and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3550S?
3550S is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-01-007-7037. 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