PartsTable
Technical Data Sheet
K18 ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include thickness: 0.094 INCHES NOMINAL0.094 INCHES NOMINAL IN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 2A FIRST END A, circle_diameter: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: PLAIN (PIPE) SECOND END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-343-0562, 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
K18
NSN: 3120-00-343-0562
FSC: 3120
CAGE: 28953 — RIX INDUSTRIES (USA)
SPECIFICATIONS
thickness0.094 INCHES NOMINAL0.094 INCHES NOMINAL IN
seat_angle37.0 DEGREES FIRST END
thread_class2A FIRST END A
circle_diameter0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_stylePLAIN (PIPE) SECOND END
nominal_thread_size0.500 INCHES SECOND END IN
thread_series_designatorNPT SECOND END
environmental_attribute_codePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
furnished_items_and_quantity1 GASKET
tool_type_for_which_designedHAND
contact_size_for_which_designedNO. 20
NSN3120-00-343-0562
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: K18 · 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 25
21400Interchangeable
interchangeable cross-reference
interchangeable
L21400Interchangeable
interchangeable cross-reference
interchangeable
DMS 85015BInterchangeable
interchangeable cross-reference
interchangeable
5000-29Interchangeable
interchangeable cross-reference
interchangeable
3428170Interchangeable
interchangeable cross-reference
interchangeable
7249901Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K18?
K18 is a RELAY,ELECTROMAGNETIC.
What parts can replace K18?
There are 25 known substitutes for K18: 21400, L21400, DMS 85015B and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K18?
K18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-343-0562. This indicates validated use in U.S. government and defense supply chains.
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