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RE-250 — Technical Data Sheet

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— · 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 material: STEEL OVERALL, shank_length: 1.750 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.750 INCHES NOMINAL IN, overall_length: 2.250 INCHES NOMINAL IN, hardness_rating: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the Federal Logistics Information System 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
RE-250
NSN: 5120-00-393-0549
FSC: 5120
CAGE: 72315 — CORNWELL QUALITY TOOLS COMPANY, THE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length1.750 INCHES NOMINAL IN
thread_class2A A
thread_length0.750 INCHES NOMINAL IN
overall_length2.250 INCHES NOMINAL IN
hardness_rating28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
style_designatorROUND, CLOSED
thread_directionRIGHT-HAND
surface_treatmentOXIDE OVERALL
eye_stock_diameter0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
eye_inside_diameter0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
NSN5120-00-393-0549
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available EXPANDER,PISTON RING TITLE COMPONENT PN RE-250 MFR EXPANDER,PISTON RING
KEY FEATURES
•
RING DIAMETER ACCOMMODATED: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
RING DIAMETER ACCOMMODATED1.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
2000544InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
P4078891InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
35301InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
616InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RE-250?
RE-250 is a EXPANDER,PISTON RING.
What parts can replace RE-250?
There are 4 known substitutes for RE-250: 2000544, P4078891, 35301 and 1 more. Substitute compatibility should be verified for your specific system.
Is RE-250 still available?
RE-250 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: October 2026