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Technical Data Sheet
PartsTable / COMPONENT / SR55-1.0
SR55-1.0 ✓ 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 SR55-1.0 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-01-436-1825, 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
SR55-1.0
NSN: 3020-01-436-1825
FSC: 3020
CAGE: 0HBR3 — TIMCO INC. (USA)
SPECIFICATIONS
Part NumberSR55-1.0
NSN3020-01-436-1825
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SR55-1.0 TITLE COMPONENT PN SR55-1.0 MFR SR55-1.0
KEY FEATURES
•
GROOVE DEPTH: 1.495 INCHES NOMINAL IN
•
GROOVE SHAPE: U
•
INTEGRAL COOLING VANE: NOT INCLUDED
•
PROTRUDING HUB CHARACTERISTIC: PLAIN
•
LIGHTENING HOLE: NOT INCLUDED
•
BORE FEATURE: INCLUDED
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
SECURING METHOD: DRILLED HOLE
TECHNICAL CHARACTERISTICS (FLIS)
GROOVE DEPTH1.495 INCHES NOMINAL IN
GROOVE SHAPEU
INTEGRAL COOLING VANENOT INCLUDED
PROTRUDING HUB CHARACTERISTICPLAIN
LIGHTENING HOLENOT INCLUDED
BORE FEATUREINCLUDED
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
SECURING METHODDRILLED HOLE
UNABLE TO DECODEUNABLE TO DECODE
SECURING LOCATIONPULLEY SURFACE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
149-1445Interchangeable
interchangeable cross-reference
interchangeable
479729BInterchangeable
interchangeable cross-reference
interchangeable
89-3679Interchangeable
interchangeable cross-reference
interchangeable
441-0073-020Interchangeable
interchangeable cross-reference
interchangeable
SR5510Interchangeable
interchangeable cross-reference
interchangeable
A3013158-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SR55-1.0?
SR55-1.0 is a SR55-1.0.
What parts can replace SR55-1.0?
There are 12 known substitutes for SR55-1.0: 149-1445, 479729B, 89-3679 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SR55-1.0?
SR55-1.0 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-01-436-1825. 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