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1881-342 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

1881-342: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 630 OVERALL, flange_width: 0.0890 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 4.4700 INCHES MINIMUM AND 4.4750 INCHES MAXIMUM IN, body_outside_diameter: 4.6894 INCHES MINIMUM AND 4.6911 INCHES MAXIMUM IN, flange_outside_diameter: 5.1250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-175-1815, 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
1881-342
NSN: 3120-01-175-1815
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 6K4C8 — GOODRICH CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY 630 OVERALL
flange_width0.0890 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter4.4700 INCHES MINIMUM AND 4.4750 INCHES MAXIMUM IN
body_outside_diameter4.6894 INCHES MINIMUM AND 4.6911 INCHES MAXIMUM IN
flange_outside_diameter5.1250 INCHES NOMINAL IN
NSN3120-01-175-1815
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1881-342 · 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: 5.1250 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 4.6894 INCHES MINIMUM AND 4.6911 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
BODY INSIDE DIAMETER: 4.4700 INCHES MINIMUM AND 4.4750 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.0890 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 630 OVERALL
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER5.1250 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER4.6894 INCHES MINIMUM AND 4.6911 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
BODY INSIDE DIAMETER4.4700 INCHES MINIMUM AND 4.4750 INCHES MAXIMUM IN
FLANGE WIDTH0.0890 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 630 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

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 1881-342?
1881-342 is a BUSHING,SLEEVE.
What is the NSN for 1881-342?
1881-342 is cataloged in the U.S. Government catalog under NSN 3120-01-175-1815. 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.