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Technical Data Sheet
PartsTable / O-RING / 660090
660090 ✓ 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 SWITCH,PRESSURE is a the manufacturer industrial component. Key specifications include material: STEEL, overall_height: 0.008 INCHES NOMINAL IN, overall_diameter: 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN, surface_treatment: PASSIVATE, end_item_identification: RECEIVING SET,COUNTERMEASURES AN/WLR-9B(V)2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-684-3419, 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
660090
NSN: 5331-00-684-3419
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL
overall_height0.008 INCHES NOMINAL IN
overall_diameter2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
end_item_identificationRECEIVING SET,COUNTERMEASURES AN/WLR-9B(V)2
NSN5331-00-684-3419
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 660090 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 23
134404Interchangeable
interchangeable cross-reference
interchangeable
5305000134404Interchangeable
interchangeable cross-reference
interchangeable
0-016-1Interchangeable
interchangeable cross-reference
interchangeable
2016N-7Interchangeable
interchangeable cross-reference
interchangeable
13B4B1000041A14S00000Interchangeable
interchangeable cross-reference
interchangeable
A52491-70Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 660090?
660090 is a SWITCH,PRESSURE.
What parts can replace 660090?
There are 23 known substitutes for 660090: 134404, 5305000134404, 0-016-1 and 20 more. Substitute compatibility should be verified for your specific system.
Is 660090 still available?
660090 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026