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AA-650-04 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

AA-650-04: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, prong_length: 1.625 INCHES NOMINAL IN, opening_width: 0.375 INCHES NOMINAL IN, special_features: FITS CLIVIS PIN DIAMETER .375 TO .500, style_designator: LOCK, wire_stock_diameter: 0.078 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-643-0940, 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-650-04
NSN: 3120-01-643-0940
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 70901 — BEEMER PRECISION INC (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
prong_length1.625 INCHES NOMINAL IN
opening_width0.375 INCHES NOMINAL IN
special_featuresFITS CLIVIS PIN DIAMETER .375 TO .500
style_designatorLOCK
wire_stock_diameter0.078 INCHES NOMINAL IN
end_item_identificationLOWER PEDESTAL ASSEMBLY
part_name_assigned_by_controlling_agencyCOTTER PIN,HAIRPIN
NSN3120-01-643-0940
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: AA-650-04 · 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 3
AA-631-13Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DWG P001363 REV B ITEM 7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
P001363Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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-650-04?
AA-650-04 is a BEARING,SLEEVE.
What parts can replace AA-650-04?
There are 3 known substitutes for AA-650-04: AA-631-13, DWG P001363 REV B ITEM 7, P001363. Substitute compatibility should be verified for your specific system.
What is the NSN for AA-650-04?
AA-650-04 is cataloged in the U.S. Government catalog under NSN 3120-01-643-0940. 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.