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PartsTable / COMPONENT / LA40-42050 ITEM 4
LA40-42050 ITEM 4 ✓ 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

ACTUATOR,MECHANICAL,NONAIRCRAFT. Key specifications include material: TITANIUM OVERALL, base_style: CANDELABRA SCREW, bulb_style: S (STRAIGHT SIDE), hole_spacing: EVENLY SPACED, overall_length: 1.750 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN, voltage_rating: 155.000 VOLTS NOMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-500-2298, 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
LA40-42050 ITEM 4
NSN: 3120-01-500-2298
FSC: 3120
CAGE: 07270 — MOOG INC. DBA AMPAC-ISP CORP (USA)
SPECIFICATIONS
materialTITANIUM OVERALL
base_styleCANDELABRA SCREW
bulb_styleS (STRAIGHT SIDE)
hole_spacingEVENLY SPACED
hole_quantity9
overall_length1.750 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN
voltage_rating155.000 VOLTS NOMINAL
wattage_rating6.000 WATTS
bulb_designatorS-6
special_featuresL-PLATE; TITANIUM; 4 HOLE BASE X 5 HOLE SHAFT; LEFT; FOR USE IN BONE FRACTURE SURGERY AND CRANOFACIAL SURGERY
design_designationSYNTHES
rated_average_lifeHOURS
NSN3120-01-500-2298
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: LA40-42050 ITEM 4 · 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 16
42054Interchangeable
interchangeable cross-reference
interchangeable
ASC1566957Interchangeable
interchangeable cross-reference
interchangeable
6S6-155VInterchangeable
interchangeable cross-reference
interchangeable
EE6-1Interchangeable
interchangeable cross-reference
interchangeable
1896Interchangeable
Microsoft Stylus Pen For Surface
interchangeable
55172Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LA40-42050 ITEM 4?
LA40-42050 ITEM 4 is a ACTUATOR,MECHANICAL,NONAIRCRAFT.
What parts can replace LA40-42050 ITEM 4?
There are 16 known substitutes for LA40-42050 ITEM 4: 42054, ASC1566957, 6S6-155V and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LA40-42050 ITEM 4?
LA40-42050 ITEM 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-500-2298. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026