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1998340PC12 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

1998340PC12: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 0.2550 INCHES NOMINAL IN, material: PLASTIC POLYAMIDE NYLON OVERALL, corner_shape: SQUARE SECOND INSIDE CORNER, outside_diameter: 0.6200 INCHES NOMINAL IN, style_designator: ROUND, overall_thickness: 0.0970 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-612-4092, 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
1998340PC12
NSN: 3120-00-612-4092
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 07217 — HONEYWELL LIMITED DBA HONEYWELL AEROSPACE TORONTO DIV AEROSPACE-TORONTO (CAN)
SPECIFICATIONS
diameter0.2550 INCHES NOMINAL IN
materialPLASTIC POLYAMIDE NYLON OVERALL
corner_shapeSQUARE SECOND INSIDE CORNER
outside_diameter0.6200 INCHES NOMINAL IN
style_designatorROUND
overall_thickness0.0970 INCHES NOMINAL IN
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN3120-00-612-4092
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1998340PC12 · 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
•
CORNER SHAPE: SQUARE SECOND OUTSIDE CORNER
•
OVERALL THICKNESS: 0.0970 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
DIAMETER: 0.2550 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE SECOND OUTSIDE CORNER
CORNER SHAPESQUARE FIRST OUTSIDE CORNER
CORNER SHAPESQUARE FIRST INSIDE CORNER
CORNER SHAPESQUARE SECOND INSIDE CORNER
OVERALL THICKNESS0.0970 INCHES NOMINAL IN
STYLE DESIGNATORROUND
DIAMETER0.2550 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER0.6200 INCHES NOMINAL IN
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
CD7-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
56912Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1998340PC12?
1998340PC12 is a BEARING,WASHER,THRUST.
What parts can replace 1998340PC12?
There are 2 known substitutes for 1998340PC12: CD7-4, 56912. Substitute compatibility should be verified for your specific system.
What is the NSN for 1998340PC12?
1998340PC12 is cataloged in the U.S. Government catalog under NSN 3120-00-612-4092. 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.