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EW-686FW — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

EW-686FW: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: FIBER NONASBESTOS OVERALL, hole_diameter: 0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 4.375 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.125 INCHES NOMINAL IN, end_item_identification: 3 IN GLAND STEM EJECTOR IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-487-8431, 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
EW-686FW
NSN: 5330-01-487-8431
FSC: 5330 — Packing and Gasket Materials
CAGE: 65427 — DC FABRICATORS INC (USA)
SPECIFICATIONS
materialFIBER NONASBESTOS OVERALL
hole_diameter0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter4.375 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.125 INCHES NOMINAL IN
bolt_hole_quantity4
end_item_identification3 IN GLAND STEM EJECTOR IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-24896 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-487-8431
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: EW-686FW 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
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-24896 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 4.375 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.125 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-24896 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER4.375 INCHES NOMINAL IN
APERTURE DIAMETER2.125 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
END ITEM IDENTIFICATION3 IN GLAND STEM EJECTOR IN
MATERIALFIBER NONASBESTOS OVERALL
HOLE DIAMETER0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 2
EW-2200CVReference document
Same NSN cross-reference
Reference document — Drawing number reference only
EW-2200CV ITEM 10Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is EW-686FW?
EW-686FW is a GASKET.
What parts can replace EW-686FW?
There are 2 known substitutes for EW-686FW: EW-2200CV, EW-2200CV ITEM 10. Substitute compatibility should be verified for your specific system.
What is the NSN for EW-686FW?
EW-686FW is cataloged in the U.S. Government catalog under NSN 5330-01-487-8431. This indicates validated use in U.S. government and defense supply chains.
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