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018-90N552 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

018-90N552: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-618-9920, 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
018-90N552
NSN: 5331-01-618-9920
FSC: 5331 — O-ring
CAGE: 08407 — MIRADA RESEARCH & MANUFACTURING, INC. (USA)
SPECIFICATIONS
Part Number018-90N552
NSN5331-01-618-9920
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 018-90N552 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESSTORAGE CONDITIONS SHOULD BE CONSIDERED TO MAXIMIZE THE LIFE OF THE ELASTOMER O-RING AND ARE AS FOLLOWS:PRODUCT STORED INSIDE SEALED POLYETHYELENE BAGS;STORED AT TEMPERATURES NOT EXCEEDING 120 DEGREES FARENHEIT;EXCULUSION OF AIR, SUN LIGHT AND CONTAMINATION FROM PRODUCT. SHELF LIFE FOR ALL ELASTOMER O-RINGS USED ON OR WITH MIRADA PRODUCTS IS 15 YEARS.
SUBSTITUTES & CROSS-REFERENCES 1
1-018-90Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 018-90N552?
018-90N552 is a O-RING.
What parts can replace 018-90N552?
There is 1 known substitute for 018-90N552: 1-018-90. Substitute compatibility should be verified for your specific system.
What is the NSN for 018-90N552?
018-90N552 is cataloged in the U.S. Government catalog under NSN 5331-01-618-9920. This indicates validated use in U.S. government and defense supply chains.
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