PartsTable
Technical Data Sheet
Download PDF

2431T561 — CASTER,RIGID

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2431T561: CASTER,RIGID.

The CASTER,RIGID is a the manufacturer industrial component. Key specifications include material: STEEL WHEEL RIM, wheel_type: SEMIPNEUMATIC TIRE, plate_style: SQUARE, wheel_diameter: 5.0 INCHES NOMINAL IN, effective_height: 6.5 INCHES NOMINAL IN, style_designator: RIGID. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-688-9940, 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
2431T561
NSN: 5340-01-688-9940
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL WHEEL RIM
wheel_typeSEMIPNEUMATIC TIRE
plate_styleSQUARE
wheel_diameter5.0 INCHES NOMINAL IN
wheel_quantity1
effective_height6.5 INCHES NOMINAL IN
style_designatorRIGID
features_providedBRAKE LOCK
caster_plate_width4.0 INCHES NOMINAL IN
wheel_bearing_typeROLLER
caster_plate_length4.5 INCHES NOMINAL IN
end_item_identificationLLH0B2633
NSN5340-01-688-9940
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2431T561 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: SQUARE
•
CENTER TO CENTER MINOR DISTANCE BETWEEN MOUNTING SLOTS ALONG LENGTH: 3.0 INCHES NOMINAL IN
•
CENTER TO CENTER MAJOR DISTANCE BETWEEN MOUNTING SLOTS ALONG LENGTH: 3.625 INCHES NOMINAL IN
•
CENTER TO CENTER MINOR DISTANCE BETWEEN MOUNTING SLOTS ALONG WIDTH: 2.625 INCHES NOMINAL IN
•
WHEEL TYPE: SEMIPNEUMATIC TIRE
•
STYLE DESIGNATOR: RIGID
•
CASTER PLATE MOUNTING SLOT WIDTH: 0.375 INCHES NOMINAL IN
•
CASTER PLATE WIDTH: 4.0 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
PLATE STYLESQUARE
CENTER TO CENTER MINOR DISTANCE BETWEEN MOUNTING SLOTS ALONG LENGTH3.0 INCHES NOMINAL IN
CENTER TO CENTER MAJOR DISTANCE BETWEEN MOUNTING SLOTS ALONG LENGTH3.625 INCHES NOMINAL IN
CENTER TO CENTER MINOR DISTANCE BETWEEN MOUNTING SLOTS ALONG WIDTH2.625 INCHES NOMINAL IN
WHEEL TYPESEMIPNEUMATIC TIRE
STYLE DESIGNATORRIGID
CASTER PLATE MOUNTING SLOT WIDTH0.375 INCHES NOMINAL IN
CASTER PLATE WIDTH4.0 INCHES NOMINAL IN
CASTER PLATE LENGTH4.5 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 2431T561?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 2431T561?
2431T561 is a CASTER,RIGID.
What is the NSN for 2431T561?
2431T561 is cataloged in the U.S. Government catalog under NSN 5340-01-688-9940. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 2431T561

✓ 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.