PartsTable
Technical Data Sheet

20-63 1/2-XDN — CASTER,SWIVEL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

20-63 1/2-XDN: CASTER,SWIVEL.

The CASTER,SWIVEL is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC TREAD, wheel_type: SOLID, tread_width: 1.250 INCHES NOMINAL IN, coating_method: PLATED PLATE, wheel_diameter: 3.500 INCHES NOMINAL IN, effective_height: 4.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-172-7146, 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
20-63 1/2-XDN
NSN: 5340-01-172-7146
FSC: 5340 — Hardware, Commercial
CAGE: 71823 — DARNELL CORPORATION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC TREAD
wheel_typeSOLID
tread_width1.250 INCHES NOMINAL IN
coating_methodPLATED PLATE
wheel_diameter3.500 INCHES NOMINAL IN
wheel_quantity1
effective_height4.750 INCHES NOMINAL IN
style_designatorSWIVEL OFFSET
features_providedTHREAD GUARD
surface_treatmentZINC BODY
caster_plate_width2.500 INCHES NOMINAL IN
wheel_bearing_typeSLEEVE
NSN5340-01-172-7146
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20-63 1/2-XDN 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
•
CENTER TO CENTER MINOR DISTANCE BETWEEN MOUNTING SLOTS ALONG LENGTH: 2.875 INCHES NOMINAL IN
•
CENTER TO CENTER MAJOR DISTANCE BETWEEN MOUNTING SLOTS ALONG LENGTH: 3.000 INCHES NOMINAL IN
•
TREAD WIDTH: 1.250 INCHES NOMINAL IN
•
WHEEL TYPE: SOLID
•
COATING METHOD: PLATED BODY
•
STYLE DESIGNATOR: SWIVEL OFFSET
•
CASTER PLATE WIDTH: 2.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CENTER TO CENTER MINOR DISTANCE BETWEEN MOUNTING SLOTS ALONG LENGTH2.875 INCHES NOMINAL IN
CENTER TO CENTER MAJOR DISTANCE BETWEEN MOUNTING SLOTS ALONG LENGTH3.000 INCHES NOMINAL IN
TREAD WIDTH1.250 INCHES NOMINAL IN
WHEEL TYPESOLID
COATING METHODPLATED BODY
COATING METHODPLATED PLATE
STYLE DESIGNATORSWIVEL OFFSET
CASTER PLATE WIDTH2.500 INCHES NOMINAL IN
CASTER PLATE LENGTH3.625 INCHES NOMINAL IN
WHEEL QUANTITY1
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
63-1/2 XDNReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20-63 1/2-XDN?
20-63 1/2-XDN is a CASTER,SWIVEL.
What parts can replace 20-63 1/2-XDN?
There is 1 known substitute for 20-63 1/2-XDN: 63-1/2 XDN. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-63 1/2-XDN?
20-63 1/2-XDN is cataloged in the U.S. Government catalog under NSN 5340-01-172-7146. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.