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126-4517 — COVER,TERMINAL BOARD

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

126-4517: COVER,TERMINAL BOARD.

The COVER,TERMINAL BOARD is a the manufacturer industrial component. Key specifications include shape: CURVED RIGHT, length: 0.438 INCHES NOMINAL SQUARE END IN, material: STEEL CORROSION RESISTING OVERALL, tip_type: BLUNT, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, body_width: 1.906 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-126-4517, 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
126-4517
NSN: 3120-00-126-4517
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 59155 — MARINE DIESEL, INC. DBA MARINE DIESEL (USA)
SPECIFICATIONS
shapeCURVED RIGHT
length0.438 INCHES NOMINAL SQUARE END IN
materialSTEEL CORROSION RESISTING OVERALL
tip_typeBLUNT
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
body_width1.906 INCHES NOMINAL IN
shank_typeSTRAIGHT
body_height0.844 INCHES NOMINAL IN
body_length3.594 INCHES NOMINAL IN
bore_diameter0.375 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
thread_length1.660 INCHES MINIMUM IN
NSN3120-00-126-4517
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 126-4517 · 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
SUBSTITUTES & CROSS-REFERENCES 1
11229Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 126-4517?
126-4517 is a COVER,TERMINAL BOARD.
What parts can replace 126-4517?
There is 1 known substitute for 126-4517: 11229. Substitute compatibility should be verified for your specific system.
What is the NSN for 126-4517?
126-4517 is cataloged in the U.S. Government catalog under NSN 3120-00-126-4517. 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.