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S6998-2 — CASTER,SWIVEL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S6998-2: CASTER,SWIVEL.

The CASTER,SWIVEL is a the manufacturer industrial component. Key specifications include wheel_type: BUILT UP, plate_style: RECTANGULAR, tread_width: 2.500 INCHES NOMINAL IN, wheel_diameter: 6.000 INCHES NOMINAL IN, effective_height: 7.625 INCHES NOMINAL IN, style_designator: SWIVEL OFFSET. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-439-3283, 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
S6998-2
NSN: 5340-01-439-3283
FSC: 5340 — Hardware, Commercial
CAGE: 06004 — STEWART-WARNER BASSICK CORP (USA)
SPECIFICATIONS
wheel_typeBUILT UP
plate_styleRECTANGULAR
tread_width2.500 INCHES NOMINAL IN
wheel_diameter6.000 INCHES NOMINAL IN
wheel_quantity1
effective_height7.625 INCHES NOMINAL IN
style_designatorSWIVEL OFFSET
unable_to_decodeUNABLE TO DECODE
caster_plate_width5.000 INCHES NOMINAL IN
caster_plate_length6.750 INCHES NOMINAL IN
caster_plate_mounting_hole_diameter0.500 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_width3.375 INCHES NOMINAL IN
NSN5340-01-439-3283
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S6998-2 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 NOMINAL IN
•
WHEEL TYPE: BUILT UP
•
STYLE DESIGNATOR: SWIVEL OFFSET
•
CASTER PLATE MOUNTING HOLE DIAMETER: 0.500 INCHES NOMINAL IN
•
CASTER PLATE WIDTH: 5.000 INCHES NOMINAL IN
•
CASTER PLATE LENGTH: 6.750 INCHES NOMINAL IN
•
WHEEL QUANTITY: 1
TECHNICAL CHARACTERISTICS
PLATE STYLERECTANGULAR
TREAD WIDTH2.500 INCHES NOMINAL IN
WHEEL TYPEBUILT UP
STYLE DESIGNATORSWIVEL OFFSET
CASTER PLATE MOUNTING HOLE DIAMETER0.500 INCHES NOMINAL IN
CASTER PLATE WIDTH5.000 INCHES NOMINAL IN
CASTER PLATE LENGTH6.750 INCHES NOMINAL IN
WHEEL QUANTITY1
EFFECTIVE HEIGHT7.625 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH5.250 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
PWA80697-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S6998-2?
S6998-2 is a CASTER,SWIVEL.
What parts can replace S6998-2?
There is 1 known substitute for S6998-2: PWA80697-5. Substitute compatibility should be verified for your specific system.
What is the NSN for S6998-2?
S6998-2 is cataloged in the U.S. Government catalog under NSN 5340-01-439-3283. 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.