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AA-921-5 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

AA-921-5: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include end_item_name: DIVERTER VALVE, end_item_source: 29510, end_item_identification: PUMP,STEERING AND SWITCH 1120 452 C91, nonsupply_items_and_quantities: 29510 NSS ITEM81 O-RING1; 29510 NSS ITEM22 O-RING1; 29510 NSS ITEM30 O-RING1; 29510 NSS ITEM34 O-RING1. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-146-4536, 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
AA-921-5
NSN: 3120-01-146-4536
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 70901 — BEEMER PRECISION INC (USA)
SPECIFICATIONS
end_item_nameDIVERTER VALVE
end_item_source29510
component_quantity4
end_item_identificationPUMP,STEERING AND SWITCH 1120 452 C91
nonsupply_items_and_quantities29510 NSS ITEM81 O-RING1; 29510 NSS ITEM22 O-RING1; 29510 NSS ITEM30 O-RING1; 29510 NSS ITEM34 O-RING1
NSN3120-01-146-4536
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: AA-921-5 · 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
3120PL0828585Reference document
Same NSN cross-reference
Reference document — Informative reference only
26722Reference 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 AA-921-5?
AA-921-5 is a BEARING,SLEEVE.
What parts can replace AA-921-5?
There are 2 known substitutes for AA-921-5: 3120PL0828585, 26722. Substitute compatibility should be verified for your specific system.
What is the NSN for AA-921-5?
AA-921-5 is cataloged in the U.S. Government catalog under NSN 3120-01-146-4536. This indicates validated use in U.S. government and defense supply chains.
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