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PartsTable / COMPONENT / AC250S
AC250S ✓ 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 EXPANDER,PISTON RING is a the manufacturer industrial component. Key specifications include ring_diameter_accommodated: 1.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-393-0549, 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
AC250S
NSN: 5120-00-393-0549
FSC: 5120
CAGE: 72315 — CORNWELL QUALITY TOOLS COMPANY, THE (USA)
SPECIFICATIONS
ring_diameter_accommodated1.125 INCHES NOMINAL IN
NSN5120-00-393-0549
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available EXPANDER,PISTON RING TITLE COMPONENT PN AC250S MFR EXPANDER,PISTON RING
KEY FEATURES
•
RING DIAMETER ACCOMMODATED: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
RING DIAMETER ACCOMMODATED1.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
2000544Interchangeable
interchangeable cross-reference
interchangeable
P4078891Interchangeable
interchangeable cross-reference
interchangeable
35301Interchangeable
interchangeable cross-reference
interchangeable
RE250Interchangeable
Same NIIN cross-reference
interchangeable
616Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AC250S?
AC250S is a EXPANDER,PISTON RING.
What parts can replace AC250S?
There are 5 known substitutes for AC250S: 2000544, P4078891, 35301 and 2 more. Substitute compatibility should be verified for your specific system.
Is AC250S still available?
AC250S is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026