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PartsTable / COMPONENT / 30-003C-A IT 4
30-003C-A IT 4 ✓ Verified by PartsTable
— · 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

TRAY,MOUNTING,ELECTRONIC EQUIPME. Key specifications include height: 1.000 INCHES NOMINAL IN, capacity: 3.0 CUBIC CENTIMETERS, material: STEEL CORROSION RESISTING AND ALUMINUM ALLOY 6061, cone_angle: 60.0 DEGREES, head_style: HEXAGON, needle_hub: PROVIDED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-502-8383, 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
30-003C-A IT 4
NSN: 3120-01-502-8383
FSC: 3120
CAGE: 1PQ32 — KONRAD MARINE INC DIV KONRAD MARINE (USA)
SPECIFICATIONS
height1.000 INCHES NOMINAL IN
capacity3.0 CUBIC CENTIMETERS
materialSTEEL CORROSION RESISTING AND ALUMINUM ALLOY 6061
cone_angle60.0 DEGREES
head_styleHEXAGON
needle_hubPROVIDED
scale_typeSINGLE
head_height0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN
stem_length65.00 MILLIMETERS NOMINAL MM
flange_width2.250 INCHES NOMINAL IN
flange_length2.250 INCHES NOMINAL IN
overall_width4.760 INCHES NOMINAL IN
NSN3120-01-502-8383
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 30-003C-A IT 4 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
10381Interchangeable
interchangeable cross-reference
interchangeable
200PL15Interchangeable
interchangeable cross-reference
interchangeable
1022-3D15Interchangeable
interchangeable cross-reference
interchangeable
36-8300-15Interchangeable
interchangeable cross-reference
interchangeable
56076Interchangeable
interchangeable cross-reference
interchangeable
SM-B-187361Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30-003C-A IT 4?
30-003C-A IT 4 is a TRAY,MOUNTING,ELECTRONIC EQUIPME.
What parts can replace 30-003C-A IT 4?
There are 17 known substitutes for 30-003C-A IT 4: 10381, 200PL15, 1022-3D15 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30-003C-A IT 4?
30-003C-A IT 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-502-8383. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026