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850653 ✓ Verified by PartsTable
bluechip · 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 INSULATOR,WASHER is a bluechip industrial component. Key specifications include material: MICA OVERALL, overall_height: 0.002 INCHES NOMINAL IN, inside_diameter: 0.156 INCHES NOMINAL IN, outside_diameter: 0.437 INCHES NOMINAL IN, style_designator: ROUND, FLAT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-383-1878, 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
850653
NSN: 5330-00-383-1878
FSC: 5330
CAGE: 89749 — CLARK MATERIAL HANDLING COMPANY (USA)
SPECIFICATIONS
materialMICA OVERALL
overall_height0.002 INCHES NOMINAL IN
inside_diameter0.156 INCHES NOMINAL IN
outside_diameter0.437 INCHES NOMINAL IN
style_designatorROUND, FLAT
NSN5330-00-383-1878
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 850653 MFR: bluechip ⚠ 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 22
64AX82Interchangeable
interchangeable cross-reference
interchangeable
26274Interchangeable
interchangeable cross-reference
interchangeable
3B3920Interchangeable
interchangeable cross-reference
interchangeable
A10572Interchangeable
interchangeable cross-reference
interchangeable
584212Interchangeable
interchangeable cross-reference
interchangeable
30888Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 850653?
850653 is a INSULATOR,WASHER manufactured by bluechip.
What parts can replace 850653?
There are 22 known substitutes for 850653: 64AX82, 26274, 3B3920 and 19 more. Substitute compatibility should be verified for your specific system.
Is 850653 still available?
850653 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