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Technical Data Sheet
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65818 ✓ 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,HIGH SPEED OVERALL, thickness: 0.375 INCHES NOMINAL IN, outside_diameter: 1.000 INCHES NOMINAL IN, special_features: M9.0 X 1.25 HS 1.0" OD DIE, style_designator: ROUND SPLIT W/INTERNAL ADJUSTING SCREW, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-482-8381, 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
65818
NSN: 5330-00-482-8381
FSC: 5330
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
materialSTEEL,HIGH SPEED OVERALL
thickness0.375 INCHES NOMINAL IN
outside_diameter1.000 INCHES NOMINAL IN
special_featuresM9.0 X 1.25 HS 1.0" OD DIE
style_designatorROUND SPLIT W/INTERNAL ADJUSTING SCREW
thread_directionRIGHT-HAND
end_item_identificationAIR CONDITIONER, CAGE CODE 90598
cross-sectional_shape_styleROUND
thread_pitch_in_millimeters1.25
thread_size_and_series/type_designator9.0 ISO M
NSN5330-00-482-8381
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 65818 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 FEATURESHX QC SPECIFICATIONS NO LONGER MANDATORY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
65818Interchangeable
interchangeable cross-reference
interchangeable
30198Interchangeable
interchangeable cross-reference
interchangeable
64785PC9Interchangeable
Same NIIN cross-reference
interchangeable
65818FInterchangeable
Same NIIN cross-reference
interchangeable
5606-52-32Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 65818?
65818 is a SWITCH,PRESSURE.
What parts can replace 65818?
There are 5 known substitutes for 65818: 65818, 30198, 64785PC9 and 2 more. Substitute compatibility should be verified for your specific system.
Is 65818 still available?
65818 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