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3823871 — EXPANDER,PISTON RING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3823871: EXPANDER,PISTON RING.

The EXPANDER,PISTON RING is a the manufacturer industrial component. Key specifications include end_item_identification: CUMMINS SERIES NT, V28 AND V903 ENGINES WITH 5-1/2 IN. BORE IN, ring_diameter_accommodated: 5.500 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5120-00-150-7486, 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
3823871
NSN: 5120-00-150-7486
NIINs: 001507486, 013439641
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
CAGE: 0B8S3 — CUMMINS INC (USA)
SPECIFICATIONS
end_item_identificationCUMMINS SERIES NT, V28 AND V903 ENGINES WITH 5-1/2 IN. BORE IN
ring_diameter_accommodated5.500 INCHES NOMINAL IN
NSN5120-00-150-7486
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available EXPANDER,PISTON RING TITLE COMPONENT PN 3823871 MFR EXPANDER,PISTON RING
KEY FEATURES
•
RING DIAMETER ACCOMMODATED: 5.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
RING DIAMETER ACCOMMODATED5.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONCUMMINS SERIES NT, V28 AND V903 ENGINES WITH 5-1/2 IN. BORE IN
SUBSTITUTES & CROSS-REFERENCES 2
3823871 5-1/2IN DIAReference document
Same NSN cross-reference
Reference document — Secondary reference
ST763Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3823871?
3823871 is a EXPANDER,PISTON RING.
What parts can replace 3823871?
There are 2 known substitutes for 3823871: 3823871 5-1/2IN DIA, ST763. Substitute compatibility should be verified for your specific system.
What is the NSN for 3823871?
3823871 is cataloged in the U.S. Government catalog under NSN 5120-00-150-7486. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.