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Technical Data Sheet
PartsTable / COMPONENT / L921-5
L921-5 ✓ 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 CASTER,SWIVEL is a the manufacturer industrial component. Key specifications include material: STEEL PLATE, wheel_type: BUILT UP, plate_style: RECTANGULAR, tread_width: 1.500 INCHES NOMINAL IN, wheel_diameter: 5.000 INCHES NOMINAL IN, effective_height: 6.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-050-7664, 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
L921-5
NSN: 5340-00-050-7664
FSC: 5340
CAGE: 21672 — FKI INDUSTRIES INC DBA FAULTLESS CASTER DIVISION (USA)
SPECIFICATIONS
materialSTEEL PLATE
wheel_typeBUILT UP
plate_styleRECTANGULAR
tread_width1.500 INCHES NOMINAL IN
wheel_diameter5.000 INCHES NOMINAL IN
wheel_quantity1
effective_height6.250 INCHES NOMINAL IN
special_featuresLUSTRE GREEN
style_designatorSWIVEL OFFSET
surface_treatmentLACQUER BODY
caster_plate_width5.000 INCHES NOMINAL IN
wheel_bearing_typeSLEEVE
NSN5340-00-050-7664
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: L921-5 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: 300.0 POUNDS NOMINAL LBS
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 4.125 INCHES NOMINAL IN
•
SURFACE TREATMENT: LACQUER PLATE
•
MATERIAL: RUBBER TREAD
•
STYLE DESIGNATOR: SWIVEL OFFSET
TECHNICAL CHARACTERISTICS (FLIS)
SAFE OPERATING LOAD RATING300.0 POUNDS NOMINAL LBS
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH4.125 INCHES NOMINAL IN
SURFACE TREATMENTLACQUER PLATE
SURFACE TREATMENTLACQUER BODY
MATERIALRUBBER TREAD
MATERIALRUBBER WHEEL RIM
MATERIALSTEEL PLATE
STYLE DESIGNATORSWIVEL OFFSET
PLATE STYLERECTANGULAR
SPECIAL FEATURESLUSTRE GREEN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
924-404X-430ANInterchangeable
interchangeable cross-reference
interchangeable
140-8430-1433-2 01Interchangeable
interchangeable cross-reference
interchangeable
140-8430-1473-201Interchangeable
interchangeable cross-reference
interchangeable
R14215Interchangeable
interchangeable cross-reference
interchangeable
14215Interchangeable
interchangeable cross-reference
interchangeable
5950PL0834816Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L921-5?
L921-5 is a CASTER,SWIVEL.
What parts can replace L921-5?
There are 16 known substitutes for L921-5: 924-404X-430AN, 140-8430-1433-2 01, 140-8430-1473-201 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L921-5?
L921-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-050-7664. 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