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ADD819A — RELAY,ELECTROMAGNETIC

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

ADD819A: RELAY,ELECTROMAGNETIC.

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include duty_type: CONTINUOUS, seat_angle: 42.0 DEGREES FIRST END, thread_class: 2B FIRST END, overall_width: 0.930 INCHES NOMINAL IN, overall_height: 1.680 INCHES NOMINAL IN, overall_length: 1.810 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-147-0455, 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
ADD819A
NSN: 3120-00-147-0455
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
seat_angle42.0 DEGREES FIRST END
thread_class2B FIRST END
coil_quantity1
overall_width0.930 INCHES NOMINAL IN
overall_height1.680 INCHES NOMINAL IN
overall_length1.810 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL TUBE FIRST END
inside_diameter0.125 INCHES NOMINAL IN
connection_styleINVERTED FLARE FIRST END
outside_diameter0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
special_featuresFULL COLOR, WITH WHITE 67101 AND SCARLET 67111
NSN3120-00-147-0455
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: ADD819A · 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
A1460Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 ADD819A?
ADD819A is a RELAY,ELECTROMAGNETIC.
What parts can replace ADD819A?
There is 1 known substitute for ADD819A: A1460. Substitute compatibility should be verified for your specific system.
What is the NSN for ADD819A?
ADD819A is cataloged in the U.S. Government catalog under NSN 3120-00-147-0455. 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.