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MPH3223 ITEM 522 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

MPH3223 ITEM 522: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include end_item_identification: QUANTUM ELECTRIC CHAIN HOIST,QCH SERIES-1/8 TO 5 TON., part_name_assigned_by_controlling_agency: BUSHING. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-643-4332, 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
MPH3223 ITEM 522
NSN: 3120-01-643-4332
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 4P412 — INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND DIV TOOL & HOIST DIVISION (USA)
SPECIFICATIONS
end_item_identificationQUANTUM ELECTRIC CHAIN HOIST,QCH SERIES-1/8 TO 5 TON.
part_name_assigned_by_controlling_agencyBUSHING
NSN3120-01-643-4332
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: MPH3223 ITEM 522 · 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYBUSHING
END ITEM IDENTIFICATIONQUANTUM ELECTRIC CHAIN HOIST,QCH SERIES-1/8 TO 5 TON.
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
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 MPH3223 ITEM 522?
MPH3223 ITEM 522 is a BUSHING,SLEEVE.
What is the NSN for MPH3223 ITEM 522?
MPH3223 ITEM 522 is cataloged in the U.S. Government catalog under NSN 3120-01-643-4332. 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.