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Technical Data Sheet
PartsTable / COMPONENT / 18441 PC NO.79
18441 PC NO.79 ✓ 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 18441 PC NO.79 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 5330-01-548-2613, 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
18441 PC NO.79
NSN: 5330-01-548-2613
FSC: 5330
CAGE: 62144 — PARKER HANNIFIN CORPORATION DIV VILLAGE MARINE TECH (USA)
SPECIFICATIONS
Part Number18441 PC NO.79
NSN5330-01-548-2613
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18441 PC NO.79 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
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
•
OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET,FLANGE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
END ITEM IDENTIFICATIONRO DESALINATOR 18400 (MODEL LCS 1)
SPECIAL FEATURESTHIS ITEM HAS A 150 LB PRESSURE RATING LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
25930Interchangeable
interchangeable cross-reference
interchangeable
300116Interchangeable
interchangeable cross-reference
interchangeable
18441Interchangeable
interchangeable cross-reference
interchangeable
LS3859-10-15Interchangeable
interchangeable cross-reference
interchangeable
AM350-8Interchangeable
interchangeable cross-reference
interchangeable
2439305-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18441 PC NO.79?
18441 PC NO.79 is a 18441 PC NO.79.
What parts can replace 18441 PC NO.79?
There are 14 known substitutes for 18441 PC NO.79: 25930, 300116, 18441 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18441 PC NO.79?
18441 PC NO.79 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-548-2613. 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