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Technical Data Sheet
PartsTable / COMPONENT / L-921-3
L-921-3 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PARTS KIT,SPLIT FLANGE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, wheel_type: BUILT UP, plate_style: SQUARE, wheel_diameter: 3.000 INCHES NOMINAL IN, effective_height: 4.500 INCHES NOMINAL IN, style_designator: SWIVEL OFFSET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-218-8475, 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
L-921-3
NSN: 5340-01-218-8475
FSC: 5340
CAGE: 21672 — FKI INDUSTRIES INC DBA FAULTLESS CASTER DIVISION (USA)
SPECIFICATIONS
materialSTEEL BODY
wheel_typeBUILT UP
plate_styleSQUARE
wheel_diameter3.000 INCHES NOMINAL IN
wheel_quantity1
effective_height4.500 INCHES NOMINAL IN
style_designatorSWIVEL OFFSET
caster_plate_width4.000 INCHES NOMINAL IN
wheel_bearing_typeROLLER
caster_plate_length4.000 INCHES NOMINAL IN
safe_operating_load_rating175.0 POUNDS MINIMUM AND 300.0 POUNDS MAXIMUM LBS
center_to_center_distance_between_bolt_holes_along_width3.000 INCHES NOMINAL IN
NSN5340-01-218-8475
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: L-921-3 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SAFE OPERATING LOAD RATING: 175.0 POUNDS MINIMUM AND 300.0 POUNDS MAXIMUM LBS
•
WHEEL BEARING TYPE: ROLLER
•
STYLE DESIGNATOR: SWIVEL OFFSET
•
MATERIAL: RUBBER TIRE
•
WHEEL QUANTITY: 1
•
EFFECTIVE HEIGHT: 4.500 INCHES NOMINAL IN
•
CASTER PLATE LENGTH: 4.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SAFE OPERATING LOAD RATING175.0 POUNDS MINIMUM AND 300.0 POUNDS MAXIMUM LBS
WHEEL BEARING TYPEROLLER
STYLE DESIGNATORSWIVEL OFFSET
MATERIALRUBBER TIRE
MATERIALSTEEL BODY
WHEEL QUANTITY1
EFFECTIVE HEIGHT4.500 INCHES NOMINAL IN
CASTER PLATE LENGTH4.000 INCHES NOMINAL IN
CASTER PLATE WIDTH4.000 INCHES NOMINAL IN
WHEEL DIAMETER3.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
11233Interchangeable
interchangeable cross-reference
interchangeable
611233Interchangeable
interchangeable cross-reference
interchangeable
WAS137Interchangeable
interchangeable cross-reference
interchangeable
112B6Interchangeable
interchangeable cross-reference
interchangeable
54765Interchangeable
interchangeable cross-reference
interchangeable
C54765Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L-921-3?
L-921-3 is a PARTS KIT,SPLIT FLANGE.
What parts can replace L-921-3?
There are 13 known substitutes for L-921-3: 11233, 611233, WAS137 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L-921-3?
L-921-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-218-8475. 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