PartsTable
Technical Data Sheet
18-035-020 ✓ 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 O-RING is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-332-8191, 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
18-035-020
NSN: 5331-01-332-8191
FSC: 5331 — O-RING
CAGE: 38450 — ENGINEERED COIL COMPANY DBA ENGINEERED COIL CO DIV DRS MARLO COIL (USA)
SPECIFICATIONS
Part Number18-035-020
NSN5331-01-332-8191
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18-035-020 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
23300Interchangeable
interchangeable cross-reference
interchangeable
3860095Interchangeable
interchangeable cross-reference
interchangeable
B26-49154Interchangeable
interchangeable cross-reference
interchangeable
382 3/8-24 UNFInterchangeable
interchangeable cross-reference
interchangeable
1184Interchangeable
interchangeable cross-reference
interchangeable
52008Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18-035-020?
18-035-020 is a O-RING.
What parts can replace 18-035-020?
There are 16 known substitutes for 18-035-020: 23300, 3860095, B26-49154 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18-035-020?
18-035-020 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-332-8191. This indicates validated use in U.S. government and defense supply chains.
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