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4727-3.50 — CASTER,RIGID

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4727-3.50: CASTER,RIGID.

The CASTER,RIGID is a the manufacturer industrial component. Key specifications include material: IRON CAST OR ALUMINUM ALLOY OR STEEL BODY, plate_style: RECTANGULAR, tread_width: 1.250 INCHES NOMINAL IN, coating_method: PLATED PLATE, wheel_diameter: 3.500 INCHES NOMINAL IN, effective_height: 4.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-371-5841, 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
4727-3.50
NSN: 5340-01-371-5841
FSC: 5340 — Hardware, Commercial
CAGE: 21672 — FKI INDUSTRIES INC DBA FAULTLESS CASTER DIVISION (USA)
SPECIFICATIONS
materialIRON CAST OR ALUMINUM ALLOY OR STEEL BODY
plate_styleRECTANGULAR
tread_width1.250 INCHES NOMINAL IN
coating_methodPLATED PLATE
wheel_diameter3.500 INCHES NOMINAL IN
effective_height4.500 INCHES NOMINAL IN
style_designatorRIGID
surface_treatmentCADMIUM OR ZINC BODY
caster_plate_width2.750 INCHES NOMINAL IN
caster_plate_length3.750 INCHES NOMINAL IN
caster_plate_mounting_hole_diameter0.312 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_width1.750 INCHES NOMINAL IN
NSN5340-01-371-5841
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4727-3.50 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: 1.250 INCHES NOMINAL IN
•
COATING METHOD: PLATED BODY
•
STYLE DESIGNATOR: RIGID
•
CASTER PLATE MOUNTING HOLE DIAMETER: 0.312 INCHES NOMINAL IN
•
CASTER PLATE WIDTH: 2.750 INCHES NOMINAL IN
•
CASTER PLATE LENGTH: 3.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
PLATE STYLERECTANGULAR
TREAD WIDTH1.250 INCHES NOMINAL IN
COATING METHODPLATED BODY
COATING METHODPLATED PLATE
STYLE DESIGNATORRIGID
CASTER PLATE MOUNTING HOLE DIAMETER0.312 INCHES NOMINAL IN
CASTER PLATE WIDTH2.750 INCHES NOMINAL IN
CASTER PLATE LENGTH3.750 INCHES NOMINAL IN
EFFECTIVE HEIGHT4.500 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH2.875 INCHES NOMINAL IN
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
6303452Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 4727-3.50?
4727-3.50 is a CASTER,RIGID.
What parts can replace 4727-3.50?
There is 1 known substitute for 4727-3.50: 6303452. Substitute compatibility should be verified for your specific system.
What is the NSN for 4727-3.50?
4727-3.50 is cataloged in the U.S. Government catalog under NSN 5340-01-371-5841. 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.