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Technical Data Sheet
PartsTable / COMPONENT / LW13521
LW13521 ✓ 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 ELBOW,ELECTRICAL CONDUIT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY INTERMEDIATE LAYER, corner_shape: SQUARE ALL CORNERS, overall_length: 1.0130 INCHES MINIMUM AND 1.0230 INCHES MAXIMUM IN, style_designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES, locking_lug_width: 0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN, surface_treatment: LEAD OUTSIDE DIAMETER SURFACE OF BODY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-388-4194, 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
LW13521
NSN: 3120-00-388-4194
FSC: 3120
CAGE: 80254 — TEXTRON LYCOMING INC WILLIAMSPORT PLANT (USA)
SPECIFICATIONS
materialCOPPER ALLOY INTERMEDIATE LAYER
corner_shapeSQUARE ALL CORNERS
overall_length1.0130 INCHES MINIMUM AND 1.0230 INCHES MAXIMUM IN
style_designatorHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
locking_lug_width0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
surface_treatmentLEAD OUTSIDE DIAMETER SURFACE OF BODY
locking_lug_height0.1900 INCHES MINIMUM AND 0.2200 INCHES MAXIMUM IN
locking_lug_length0.1500 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
body_inside_diameter2.1258 INCHES MINIMUM AND 2.1273 INCHES MAXIMUM IN
body_outside_diameter2.2775 INCHES MINIMUM AND 2.2975 INCHES MAXIMUM IN
distance_from_lug_end_to_end_of_bearing0.1850 INCHES MINIMUM AND 0.1925 INCHES MAXIMUM IN
NSN3120-00-388-4194
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: LW13521 · 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
KEY FEATURES
•
SURFACE TREATMENT: LEAD OUTSIDE DIAMETER SURFACE OF BODY
•
BODY INSIDE DIAMETER: 2.1258 INCHES MINIMUM AND 2.1273 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY INTERMEDIATE LAYER
•
LOCKING LUG LENGTH: 0.1500 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
•
LOCKING LUG HEIGHT: 0.1900 INCHES MINIMUM AND 0.2200 INCHES MAXIMUM IN
•
DISTANCE FROM LUG END TO END OF BEARING: 0.1850 INCHES MINIMUM AND 0.1925 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE ALL CORNERS
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTLEAD OUTSIDE DIAMETER SURFACE OF BODY
BODY INSIDE DIAMETER2.1258 INCHES MINIMUM AND 2.1273 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY INTERMEDIATE LAYER
LOCKING LUG LENGTH0.1500 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
MATERIALLEAD ALLOY INNER LAYER
LOCKING LUG HEIGHT0.1900 INCHES MINIMUM AND 0.2200 INCHES MAXIMUM IN
DISTANCE FROM LUG END TO END OF BEARING0.1850 INCHES MINIMUM AND 0.1925 INCHES MAXIMUM IN
CORNER SHAPESQUARE ALL CORNERS
MATERIALOIL LUBRICATING LUBRICATION
OVERALL LENGTH1.0130 INCHES MINIMUM AND 1.0230 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
443669Interchangeable
interchangeable cross-reference
interchangeable
72218Interchangeable
interchangeable cross-reference
interchangeable
2X6653AInterchangeable
interchangeable cross-reference
interchangeable
414X45Interchangeable
interchangeable cross-reference
interchangeable
L2128Interchangeable
interchangeable cross-reference
interchangeable
67276Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LW13521?
LW13521 is a ELBOW,ELECTRICAL CONDUIT.
What parts can replace LW13521?
There are 15 known substitutes for LW13521: 443669, 72218, 2X6653A and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LW13521?
LW13521 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-388-4194. 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