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185291PC51 — RING,THRUST BEARING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

185291PC51: RING,THRUST BEARING.

The RING,THRUST BEARING is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: 4.724 IN. OD; 4.000 IN.

ID; 0.500 IN. THK; STEEL IN. This part is cataloged in the U.S.

Government catalog under NSN 4310-00-035-7308, 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
185291PC51
NSN: 4310-00-035-7308
FSC: 4310 — Compressors and Vacuum Pumps
CAGE: 0AT62 — SIEMENS ENERGY, INC. DBA DRESSER-RAND (USA)
SPECIFICATIONS
general_characteristics_item_description4.724 IN. OD; 4.000 IN. ID; 0.500 IN. THK; STEEL IN
NSN4310-00-035-7308
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,THRUST BEARING TITLE COMPONENT PN 185291PC51 MFR RING,THRUST BEARING
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 4.724 IN. OD; 4.000 IN. ID; 0.500 IN. THK; STEEL IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTION4.724 IN. OD; 4.000 IN. ID; 0.500 IN. THK; STEEL IN
SUBSTITUTES & CROSS-REFERENCES 9
188177PC51Reference document
Same NSN cross-reference
Reference document — Secondary reference
184223PC51Reference document
Same NSN cross-reference
Reference document — Secondary reference
186592PC51Reference document
Same NSN cross-reference
Reference document — Secondary reference
186308PC320Reference document
Same NSN cross-reference
Reference document — Secondary reference
169571PC51Reference document
Same NSN cross-reference
Reference document — Secondary reference
188990PC320Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 185291PC51?
185291PC51 is a RING,THRUST BEARING.
What parts can replace 185291PC51?
There are 9 known substitutes for 185291PC51: 188177PC51, 184223PC51, 186592PC51 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 185291PC51?
185291PC51 is cataloged in the U.S. Government catalog under NSN 4310-00-035-7308. 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.