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188989APC320 — RING,THRUST BEARING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

188989APC320: 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
188989APC320
NSN: 4310-00-035-7308
FSC: 4310 — Compressors and Vacuum Pumps
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (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 188989APC320 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 10
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
185291PC51Reference 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 188989APC320?
188989APC320 is a RING,THRUST BEARING.
What parts can replace 188989APC320?
There are 10 known substitutes for 188989APC320: 188177PC51, 184223PC51, 186592PC51 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 188989APC320?
188989APC320 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.