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5190821 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PNEUMATIC TIRE is a the manufacturer industrial component. Key specifications include special_features: 235/80R16, end_item_identification: TRAILER, BOAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-297-8425, 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
5190821
NSN: 5340-01-297-8425
FSC: 5340
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
special_features235/80R16
end_item_identificationTRAILER, BOAT
NSN5340-01-297-8425
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5190821 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
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN
•
LENGTH: 0.600 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREAD
CROSS-SECTIONAL SHAPEHEXAGON
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
LENGTH0.600 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
6H04631Interchangeable
interchangeable cross-reference
interchangeable
5151501Interchangeable
interchangeable cross-reference
interchangeable
5190821Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5190821?
5190821 is a PNEUMATIC TIRE.
What parts can replace 5190821?
There are 3 known substitutes for 5190821: 6H04631, 5151501, 5190821. Substitute compatibility should be verified for your specific system.
What is the NSN for 5190821?
5190821 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-297-8425. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026