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Technical Data Sheet
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1001644 — BUSHING,SLEEVE

✓ Government record, cited
3M · BALL BEARING
PRODUCT OVERVIEW

1001644: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a 3M industrial component. Key specifications include special_features: SN63/PB37 0.51MM, 0.5KG/SPOOL KG, part_name_assigned_by_controlling_agency: ALPHA TELECORE PLUS CORED WIRE. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-553-2247, 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
1001644
NSN: 3120-01-553-2247
NIINs: 015532247, 016570671
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 1EFH8 — GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC. DBA GDLS DIV GDLS-FP (USA)
SPECIFICATIONS
special_featuresSN63/PB37 0.51MM, 0.5KG/SPOOL KG
part_name_assigned_by_controlling_agencyALPHA TELECORE PLUS CORED WIRE
NSN3120-01-553-2247
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1001644 · 3M ⚠ 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,TURRET
END ITEM IDENTIFICATIONJEERV 4X4 EOD, 2355-01-532-2174
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 1001644?
1001644 is a BUSHING,SLEEVE manufactured by 3M.
What is the NSN for 1001644?
1001644 is cataloged in the U.S. Government catalog under NSN 3120-01-553-2247. 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.