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055375 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

055375: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 510 OR COPPER ALLOY 524 OVERALL, flange_width: 0.0280 INCHES NOMINAL IN, overall_length: 0.0630 INCHES MINIMUM AND 0.0680 INCHES MAXIMUM IN, body_inside_diameter: 0.1250 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN, body_outside_diameter: 0.1840 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM IN, flange_outside_diameter: 0.3120 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-320-1089, 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
055375
NSN: 3120-01-320-1089
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
materialCOPPER ALLOY 510 OR COPPER ALLOY 524 OVERALL
flange_width0.0280 INCHES NOMINAL IN
overall_length0.0630 INCHES MINIMUM AND 0.0680 INCHES MAXIMUM IN
body_inside_diameter0.1250 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
body_outside_diameter0.1840 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM IN
flange_outside_diameter0.3120 INCHES NOMINAL IN
NSN3120-01-320-1089
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 055375 · 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
KEY FEATURES
•
FLANGE OUTSIDE DIAMETER: 0.3120 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.1840 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 0.1250 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.0280 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY 510 OR COPPER ALLOY 524 OVERALL
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER0.3120 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.1840 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM IN
OVERALL LENGTH0.0630 INCHES MINIMUM AND 0.0680 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.1250 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN
FLANGE WIDTH0.0280 INCHES NOMINAL IN
MATERIALCOPPER ALLOY 510 OR COPPER ALLOY 524 OVERALL
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 1
933B055375Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 055375?
055375 is a BUSHING,SLEEVE.
What parts can replace 055375?
There is 1 known substitute for 055375: 933B055375. Substitute compatibility should be verified for your specific system.
What is the NSN for 055375?
055375 is cataloged in the U.S. Government catalog under NSN 3120-01-320-1089. 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.