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PartsTable / COMPONENT / A-550390
A-550390 ✓ 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

ROD,PISTON,LINEAR ACTUATING CYLI. Key specifications include overall_length: 24.000 INCHES MAXIMUM IN, special_features: THD ONE END, end_connection_type: THREADED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-350-0223, 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
A-550390
NSN: 3040-01-350-0223
FSC: 3040
CAGE: 62876 — HYNAUTIC INC DIV OF STA-RITE INDUSTRIES INC (USA)
SPECIFICATIONS
overall_length24.000 INCHES MAXIMUM IN
special_featuresTHD ONE END
end_connection_typeTHREADED
NSN3040-01-350-0223
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ROD,PISTON,LINEAR ACTUATING CYLI TITLE COMPONENT PN A-550390 MFR ROD,PISTON,LINEAR ACTU
KEY FEATURES
•
END CONNECTION TYPE: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
END CONNECTION TYPETHREADED
SPECIAL FEATURESTHD ONE END
OVERALL LENGTH24.000 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
61898Interchangeable
interchangeable cross-reference
interchangeable
264800R91Interchangeable
interchangeable cross-reference
interchangeable
324038R91Interchangeable
interchangeable cross-reference
interchangeable
550390Interchangeable
interchangeable cross-reference
interchangeable
556258Interchangeable
interchangeable cross-reference
interchangeable
65652-03178-101Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-550390?
A-550390 is a ROD,PISTON,LINEAR ACTUATING CYLI.
What parts can replace A-550390?
There are 7 known substitutes for A-550390: 61898, 264800R91, 324038R91 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-550390?
A-550390 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3040-01-350-0223. 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