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TC-323 — Technical Data Sheet

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— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include material: STEEL COMP 1213 OVERALL, body_style: WITH SIDE OPERATOR, body_width: 145.000 INCHES NOMINAL IN, body_height: 7.312 INCHES NOMINAL IN, body_length: 16.000 INCHES NOMINAL IN, corner_shape: SQUARE RIGHT FLANGE OUTSIDE LEFT CORNER. This part is cataloged in the Federal Logistics Information System under NSN 3120-00-661-8942, 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
TC-323
NSN: 3120-00-661-8942
FSC: 3120
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1213 OVERALL
body_styleWITH SIDE OPERATOR
body_width145.000 INCHES NOMINAL IN
body_height7.312 INCHES NOMINAL IN
body_length16.000 INCHES NOMINAL IN
corner_shapeSQUARE RIGHT FLANGE OUTSIDE LEFT CORNER
hole_diameter0.1875 INCHES NOMINAL FIRST IN
actuator_styleFORMED ROD
overall_length0.8620 INCHES MINIMUM AND 0.8680 INCHES MAXIMUM IN
style_designatorSOLID, EXTERNAL FLANGES BOTH ENDS
features_providedCASEHARDENED
left_flange_width0.0938 INCHES NOMINAL IN
NSN3120-00-661-8942
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: TC-323 · 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
•
FEATURES PROVIDED: CASEHARDENED
•
CORNER SHAPE: SQUARE OUTSIDE RIGHT CORNER
•
LEFT FLANGE WIDTH: 0.0938 INCHES NOMINAL IN
•
RIGHT FLANGE OUTSIDE DIAMETER: 1.1230 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN
•
LEFT FLANGE OUTSIDE DIAMETER: 1.1230 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN
•
RIGHT FLANGE WIDTH: 0.0938 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FEATURES PROVIDEDCASEHARDENED
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
LEFT FLANGE WIDTH0.0938 INCHES NOMINAL IN
RIGHT FLANGE OUTSIDE DIAMETER1.1230 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN
LEFT FLANGE OUTSIDE DIAMETER1.1230 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN
RIGHT FLANGE WIDTH0.0938 INCHES NOMINAL IN
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
MATERIALSTEEL COMP 1213 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
D28217N1PC15InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
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28753InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
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A28753InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4269InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
76S100InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
N13339PC4269InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TC-323?
TC-323 is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace TC-323?
There are 26 known substitutes for TC-323: D28217N1PC15, 28753, A28753 and 23 more. Substitute compatibility should be verified for your specific system.
Is TC-323 still available?
TC-323 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: September 2026