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PartsTable / COMPONENT / 5855179
5855179 ✓ 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 RING SET,PISTON is a the manufacturer industrial component. Key specifications include standard_bore_diameter: 4.500 INCHES IN, ring_set_component_parts: TOP RING RING,COMPRESSION 1;2ND THRU 5TH RING,COMPRESSION 4;BOTTOM RING RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-785-1905, 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
5855179
NSN: 2815-00-785-1905
FSC: 2815
CAGE: 95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
standard_bore_diameter4.500 INCHES IN
ring_set_component_partsTOP RING RING,COMPRESSION 1;2ND THRU 5TH RING,COMPRESSION 4;BOTTOM RING RING
piston_accommodation_quantity1
NSN2815-00-785-1905
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING SET,PISTON TITLE COMPONENT PN 5855179 MFR RING SET,PISTON
KEY FEATURES
•
STANDARD BORE DIAMETER: 4.500 INCHES IN
•
PISTON ACCOMMODATION QUANTITY: 1
•
RING SET COMPONENT PARTS: TOP RING RING,COMPRESSION 1;2ND THRU 5TH RING,COMPRESSION 4;BOTTOM RING RING
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD BORE DIAMETER4.500 INCHES IN
PISTON ACCOMMODATION QUANTITY1
RING SET COMPONENT PARTSTOP RING RING,COMPRESSION 1;2ND THRU 5TH RING,COMPRESSION 4;BOTTOM RING RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
41969Interchangeable
interchangeable cross-reference
interchangeable
42523Interchangeable
interchangeable cross-reference
interchangeable
310-13849-01Interchangeable
interchangeable cross-reference
interchangeable
986215-2BInterchangeable
interchangeable cross-reference
interchangeable
XM-36485-44-1500-1-LInterchangeable
interchangeable cross-reference
interchangeable
42523-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5855179?
5855179 is a RING SET,PISTON.
What parts can replace 5855179?
There are 7 known substitutes for 5855179: 41969, 42523, 310-13849-01 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5855179?
5855179 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-785-1905. 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