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203-5005087 — BEARING ASSEMBLY,STERN TUBE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

203-5005087: BEARING ASSEMBLY,STERN TUBE.

The BEARING ASSEMBLY,STERN TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OR TIN, special_features: 3/4 IN. THICKNESS IN, end_item_identification: ACFT CARRIER,CVN 70, part_name_assigned_by_controlling_agency: HALF RETAINING RING.

This part is cataloged in the U.S. Government catalog under NSN 3120-01-480-7862, 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
203-5005087
NSN: 3120-01-480-7862
NIINs: 014807862, 014807865, 014807867, 014807868, 014807872, 014807873, 014807874, 014807876, 014824424, 014824425, 014824427, 014824430, 014824434, 015449089, 015642967, 015642970, 015642984
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OR TIN
special_features3/4 IN. THICKNESS IN
end_item_identificationACFT CARRIER,CVN 70
part_name_assigned_by_controlling_agencyHALF RETAINING RING
NSN3120-01-480-7862
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 203-5005087 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES8 THREADED HOLES; 1.25", 12 THREADED HOLES; 1", 18 DRILL HOLES; 1.1875"
PART NAME ASSIGNED BY CONTROLLING AGENCYHALF BUSHING, TOP
END ITEM IDENTIFICATIONACFT CARRIER CVN 70, STERN TUBE & STRUT BEARINGS
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 203-5005087?
203-5005087 is a BEARING ASSEMBLY,STERN TUBE.
What is the NSN for 203-5005087?
203-5005087 is cataloged in the U.S. Government catalog under NSN 3120-01-480-7862. 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.