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Technical Data Sheet
6660989 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include special_features: WEIGHT 9 OZ; MANUFACTURER FORWARD PART LIST MANUAL DATED NOV. 1999, P/N CAN BE USED ON ALL TYPES OF EQUIPMENT OZ, part_name_assigned_by_controlling_agency: GASKET.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-469-8173, 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
6660989
NSN: 5330-01-469-8173
FSC: 5330
CAGE: 9W224 — MELROE CO (USA)
SPECIFICATIONS
special_featuresWEIGHT 9 OZ; MANUFACTURER FORWARD PART LIST MANUAL DATED NOV. 1999, P/N CAN BE USED ON ALL TYPES OF EQUIPMENT OZ
part_name_assigned_by_controlling_agencyGASKET
NSN5330-01-469-8173
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6660989 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 (FLIS)
SPECIAL FEATURESWEIGHT 9 OZ; MANUFACTURER FORWARD PART LIST MANUAL DATED NOV. 1999, P/N CAN BE USED ON ALL TYPES OF EQUIPMENT OZ
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
663180-1Interchangeable
interchangeable cross-reference
interchangeable
7501021Interchangeable
interchangeable cross-reference
interchangeable
B5171-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6660989?
6660989 is a GASKET.
What parts can replace 6660989?
There are 3 known substitutes for 6660989: 663180-1, 7501021, B5171-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 6660989?
6660989 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-469-8173. This indicates validated use in U.S. government and defense supply chains.
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