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DS90526 — UNMANNED AIRCRAFT SYSTEM

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

DS90526: UNMANNED AIRCRAFT SYSTEM.

The UNMANNED AIRCRAFT SYSTEM is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: VECTOR SYSTEM REV 20. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-391-7040, 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
DS90526
NSN: 3120-00-391-7040
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 14541 — COOPER MACHINERY SERVICES LLC (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyVECTOR SYSTEM REV 20
NSN3120-00-391-7040
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: DS90526 · 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 1
M438V3PC1T04Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is DS90526?
DS90526 is a UNMANNED AIRCRAFT SYSTEM.
What parts can replace DS90526?
There is 1 known substitute for DS90526: M438V3PC1T04. Substitute compatibility should be verified for your specific system.
What is the NSN for DS90526?
DS90526 is cataloged in the U.S. Government catalog under NSN 3120-00-391-7040. 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.