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9949T75 — CASTER,SWIVEL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9949T75: CASTER,SWIVEL.

The CASTER,SWIVEL is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM TREAD, wheel_type: BUILT UP, plate_style: RECTANGULAR, tread_width: 1.250 INCHES NOMINAL IN, wheel_diameter: 6.000 INCHES NOMINAL IN, effective_height: 7.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-253-3776, 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
9949T75
NSN: 5340-01-253-3776
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM TREAD
wheel_typeBUILT UP
plate_styleRECTANGULAR
tread_width1.250 INCHES NOMINAL IN
wheel_diameter6.000 INCHES NOMINAL IN
wheel_quantity1
effective_height7.375 INCHES NOMINAL IN
style_designatorSWIVEL NONOFFSET
features_providedSPANNER BUSHING
surface_treatmentZINC PLATE
caster_plate_width2.500 INCHES NOMINAL IN
wheel_bearing_typePLAIN, SELF-LUBRICATED
NSN5340-01-253-3776
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9949T75 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
•
WHEEL TYPE: BUILT UP
•
STYLE DESIGNATOR: SWIVEL NONOFFSET
•
CASTER PLATE MOUNTING HOLE DIAMETER: 0.250 INCHES NOMINAL IN
•
CASTER PLATE WIDTH: 2.500 INCHES NOMINAL IN
•
CASTER PLATE LENGTH: 3.625 INCHES NOMINAL IN
•
WHEEL QUANTITY: 1
TECHNICAL CHARACTERISTICS
PLATE STYLERECTANGULAR
TREAD WIDTH1.250 INCHES NOMINAL IN
WHEEL TYPEBUILT UP
STYLE DESIGNATORSWIVEL NONOFFSET
CASTER PLATE MOUNTING HOLE DIAMETER0.250 INCHES NOMINAL IN
CASTER PLATE WIDTH2.500 INCHES NOMINAL IN
CASTER PLATE LENGTH3.625 INCHES NOMINAL IN
WHEEL QUANTITY1
FEATURES PROVIDEDSPANNER BUSHING
EFFECTIVE HEIGHT7.375 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

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
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FREQUENTLY ASKED QUESTIONS
What is 9949T75?
9949T75 is a CASTER,SWIVEL.
What is the NSN for 9949T75?
9949T75 is cataloged in the U.S. Government catalog under NSN 5340-01-253-3776. 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.