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111-1556 — DISTRIBUTOR,IGNITION SYSTEM

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

111-1556: DISTRIBUTOR,IGNITION SYSTEM.

The DISTRIBUTOR,IGNITION SYSTEM is a the manufacturer industrial component. Key specifications include shaft_length: 2.516 INCHES NOMINAL IN, body_material: IRON CAST, furnished_items: IGNITION COIL AND DISTRIBUTOR, mounting_method: CLAMP, drive_shaft_type: TONGUE, features_provided: RADIO INTERFERENCE SHIELDING. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-349-7780, 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
111-1556
NSN: 3120-00-349-7780
NIINs: 003497780, 003914278, 014813153, 014813219, 014813444, 014815294, 014815299, 014815507
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
shaft_length2.516 INCHES NOMINAL IN
body_materialIRON CAST
furnished_itemsIGNITION COIL AND DISTRIBUTOR
mounting_methodCLAMP
drive_shaft_typeTONGUE
features_providedRADIO INTERFERENCE SHIELDING
surface_treatmentPAINT
maximum_advance_deg16.0
contact_set_quantity1
drive_connection_typeRIGID COUPLED
rpm_at_maximum_advance900.0
environmental_protectionFUNGUS RESISTANT AND SUBMERSIBLE
NSN3120-00-349-7780
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 111-1556 · 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 111-1556?
111-1556 is a DISTRIBUTOR,IGNITION SYSTEM.
What is the NSN for 111-1556?
111-1556 is cataloged in the U.S. Government catalog under NSN 3120-00-349-7780. 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.