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N0300-90 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

N0300-90: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include temp_rating: -40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF, special_features: NOT RECOMMENDED FOR AROMATIC FUELS, STRONG ACIDS, GLYCOLS, OZONE, POLAR SOLVENTS. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-524-5430, 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
N0300-90
NSN: 5331-01-524-5430
FSC: 5331 — O-ring
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
temp_rating-40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
special_featuresNOT RECOMMENDED FOR AROMATIC FUELS, STRONG ACIDS, GLYCOLS, OZONE, POLAR SOLVENTS
NSN5331-01-524-5430
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N0300-90 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
•
TEMP RATING: -40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS
TEMP RATING-40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
SPECIAL FEATURESNOT RECOMMENDED FOR AROMATIC FUELS, STRONG ACIDS, GLYCOLS, OZONE, POLAR SOLVENTS
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
8-230 N300-90Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N0300-90?
N0300-90 is a O-RING.
What parts can replace N0300-90?
There is 1 known substitute for N0300-90: 8-230 N300-90. Substitute compatibility should be verified for your specific system.
What is the NSN for N0300-90?
N0300-90 is cataloged in the U.S. Government catalog under NSN 5331-01-524-5430. 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.