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990C921H01 — CASTER,SWIVEL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

990C921H01: CASTER,SWIVEL.

The CASTER,SWIVEL is a the manufacturer industrial component. Key specifications include material: RUBBER TREAD, tire_size: 3.40/5, wheel_type: PNEUMATIC TIRE, plate_style: RECTANGULAR, tread_width: 3.500 INCHES NOMINAL IN, wheel_diameter: 10.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-890-3401, 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
990C921H01
NSN: 5340-00-890-3401
FSC: 5340 — Hardware, Commercial
CAGE: 18323 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA ELECTRONIC SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER TREAD
tire_size3.40/5
wheel_typePNEUMATIC TIRE
plate_styleRECTANGULAR
tread_width3.500 INCHES NOMINAL IN
wheel_diameter10.000 INCHES NOMINAL IN
wheel_quantity2
effective_height13.000 INCHES NOMINAL IN
style_designatorSWIVEL OFFSET
features_providedSWIVEL LOCK
surface_treatmentPAINT WHEEL RIM
caster_plate_width5.250 INCHES NOMINAL IN
NSN5340-00-890-3401
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 990C921H01 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
•
UNPACKAGED UNIT WEIGHT: 35.000 POUNDS NOMINAL LBS
•
TREAD WIDTH: 3.500 INCHES NOMINAL IN
•
TIRE SIZE: 3.40/5
•
WHEEL TYPE: PNEUMATIC TIRE
•
STYLE DESIGNATOR: SWIVEL OFFSET
•
CASTER PLATE MOUNTING HOLE DIAMETER: 0.562 INCHES NOMINAL IN
•
CASTER PLATE WIDTH: 5.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
PLATE STYLERECTANGULAR
UNPACKAGED UNIT WEIGHT35.000 POUNDS NOMINAL LBS
TREAD WIDTH3.500 INCHES NOMINAL IN
TIRE SIZE3.40/5
WHEEL TYPEPNEUMATIC TIRE
STYLE DESIGNATORSWIVEL OFFSET
CASTER PLATE MOUNTING HOLE DIAMETER0.562 INCHES NOMINAL IN
CASTER PLATE WIDTH5.250 INCHES NOMINAL IN
CASTER PLATE LENGTH7.250 INCHES NOMINAL IN
WHEEL QUANTITY2
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 990C921H01?
990C921H01 is a CASTER,SWIVEL.
What is the NSN for 990C921H01?
990C921H01 is cataloged in the U.S. Government catalog under NSN 5340-00-890-3401. This indicates validated use in U.S. government and defense supply chains.
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