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43020 4 — GEAR,SPUR

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

43020 4: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include end_item_identification: OIL INJECTION COMPONENTS FOR BOAT MOTOR, part_name_assigned_by_controlling_agency: GEAR DRIVEN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-124-1180, 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
43020 4
NSN: 3120-01-124-1180
NIINs: 011241180, 012346926, 015799213
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 97902 — VERSA PRODUCTS CO INC (USA)
SPECIFICATIONS
end_item_identificationOIL INJECTION COMPONENTS FOR BOAT MOTOR
part_name_assigned_by_controlling_agencyGEAR DRIVEN
NSN3120-01-124-1180
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 43020 4 · 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
SUBSTITUTES & CROSS-REFERENCES 2
SA-4312-61-15 ITEM EReference document
Same NSN cross-reference
Reference document — Secondary reference
SA-3311-62-15 ITEM EReference document
Same NSN cross-reference
Reference document — Secondary reference
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 43020 4?
43020 4 is a GEAR,SPUR.
What parts can replace 43020 4?
There are 2 known substitutes for 43020 4: SA-4312-61-15 ITEM E, SA-3311-62-15 ITEM E. Substitute compatibility should be verified for your specific system.
What is the NSN for 43020 4?
43020 4 is cataloged in the U.S. Government catalog under NSN 3120-01-124-1180. 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.