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Technical Data Sheet
A-A-55619 ✓ 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,RIGID is a the manufacturer industrial component. Key specifications include material: RUBBER TIRE, wheel_type: SOLID, plate_style: RECTANGULAR, tread_width: 2.5000 INCHES NOMINAL IN, wheel_diameter: 8.0000 INCHES NOMINAL IN, effective_height: 10.5000 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 5340-00-720-8073, 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
A-A-55619
NSN: 5340-00-720-8073
FSC: 5340
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialRUBBER TIRE
wheel_typeSOLID
plate_styleRECTANGULAR
tread_width2.5000 INCHES NOMINAL IN
wheel_diameter8.0000 INCHES NOMINAL IN
wheel_quantity1
effective_height10.5000 INCHES NOMINAL IN
special_featuresTHE MOUNTING PLATE AND HORN ASSEMBLY SHALL BE MADE OF STEEL OR ALUMINUM;THE AXLE IS MADE OF STEEL AND IS SCURED BY LOCKNUT;THE CASTER HAS A SWIVEL LOCK
style_designatorSWIVEL OFFSET
caster_plate_width5.2000 INCHES MINIMUM AND 6.2000 INCHES MAXIMUM IN
wheel_bearing_typeBALL OR ROLLER
caster_plate_length6.9000 INCHES MINIMUM AND 7.5000 INCHES MAXIMUM IN
NSN5340-00-720-8073
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-A-55619 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
PLATE STYLE: RECTANGULAR
TREAD WIDTH: 2.500 INCHES MINIMUM IN
SAFE OPERATING LOAD RATING: 560.0 POUNDS MINIMUM LBS
WHEEL QUANTITY: 1
STYLE DESIGNATOR: SWIVEL OFFSET
UNPACKAGED UNIT WEIGHT: 30.000 POUNDS NOMINAL LBS
MATERIAL: STEEL CORROSION RESISTING OR IRON MALLEABLE OR IRON CAST OR ALUMINUM ALLOY PLATE
TECHNICAL CHARACTERISTICS (FLIS)
PLATE STYLERECTANGULAR
TREAD WIDTH2.500 INCHES MINIMUM IN
SAFE OPERATING LOAD RATING560.0 POUNDS MINIMUM LBS
WHEEL QUANTITY1
STYLE DESIGNATORSWIVEL OFFSET
UNPACKAGED UNIT WEIGHT30.000 POUNDS NOMINAL LBS
MATERIALSTEEL CORROSION RESISTING OR IRON MALLEABLE OR IRON CAST OR ALUMINUM ALLOY PLATE
MATERIALSTEEL OR STEEL CORROSION RESISTING OR MAGNESIUM ALLOY OR ALUMINUM ALLOY BODY
MATERIALSTEEL CORROSION RESISTING OR MAGNESIUM ALLOY OR IRON CAST OR ALUMINUM ALLOY WHEEL RIM
WHEEL TYPEBUILT UP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
A-A-55619Interchangeable
interchangeable cross-reference
interchangeable
MS24380-8SLBInterchangeable
interchangeable cross-reference
interchangeable
MIL-C-7474Interchangeable
interchangeable cross-reference
interchangeable
MS24380-8SULEInterchangeable
Same NIIN cross-reference
interchangeable
AA55619-8SULEInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-A-55619?
A-A-55619 is a CASTER,RIGID.
What parts can replace A-A-55619?
There are 5 known substitutes for A-A-55619: A-A-55619, MS24380-8SLB, MIL-C-7474 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-55619?
A-A-55619 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-720-8073. This indicates validated use in U.S. government and defense supply chains.
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