PartsTable
Technical Data Sheet
PartsTable / COMPONENT / C43-31
C43-31 ✓ 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

The COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, coil_quantity: 11-1/2, inside_diameter: 0.417 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN, style_designator: CYLINDRICAL, spring_free_length: 2.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-215-3882, 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
C43-31
NSN: 3120-00-215-3882
FSC: 3120
CAGE: 35301 — DRESSER INDUSTRIES INC LEROI DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity11-1/2
inside_diameter0.417 INCHES MINIMUM AND 0.427 INCHES MAXIMUM IN
style_designatorCYLINDRICAL
spring_free_length2.625 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
spring_deflection_rate31.000 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter0.573 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN
spring_solid_outside_diameter0.573 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN
NSN3120-00-215-3882
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: C43-31 · 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 21
L-2191Interchangeable
interchangeable cross-reference
interchangeable
22617Interchangeable
interchangeable cross-reference
interchangeable
110 27/32Interchangeable
interchangeable cross-reference
interchangeable
53154Interchangeable
interchangeable cross-reference
interchangeable
53161Interchangeable
interchangeable cross-reference
interchangeable
110 61/64Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C43-31?
C43-31 is a COIL,RADIO FREQUENCY.
What parts can replace C43-31?
There are 21 known substitutes for C43-31: L-2191, 22617, 110 27/32 and 18 more. Substitute compatibility should be verified for your specific system.
Is C43-31 still available?
C43-31 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026