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527218 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

527218: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY AND RUBBER CHLOROPRENE CLASS CR OVERALL, hole_diameter: 0.205 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.490 INCHES NOMINAL IN, aperture_width: 1.740 INCHES NOMINAL IN, overall_length: 3.640 INCHES NOMINAL IN, aperture_length: 3.380 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-542-1688, 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
527218
NSN: 5330-00-542-1688
NIINs: 005421688, 011046650
FSC: 5330 — Packing and Gasket Materials
CAGE: 70210 — HONEYWELL INTERNATIONAL INC. DIV AEROSPACE - TORRANCE (USA)
SPECIFICATIONS
materialCOPPER ALLOY AND RUBBER CHLOROPRENE CLASS CR OVERALL
hole_diameter0.205 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.490 INCHES NOMINAL IN
aperture_width1.740 INCHES NOMINAL IN
overall_length3.640 INCHES NOMINAL IN
aperture_length3.380 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
bolt_hole_quantity6
inside_corner_radius0.140 INCHES NOMINAL IN
outside_corner_radius0.185 INCHES NOMINAL IN
cross-sectional_thickness0.060 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL AND SYNTHETIC RUBBER
NSN5330-00-542-1688
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 527218 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: 0.060 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.140 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: METAL AND SYNTHETIC RUBBER
•
APERTURE WIDTH: 1.740 INCHES NOMINAL IN
•
APERTURE LENGTH: 3.380 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.060 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.140 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
OVERALL LENGTH3.640 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEMETAL AND SYNTHETIC RUBBER
OVERALL WIDTH2.490 INCHES NOMINAL IN
APERTURE WIDTH1.740 INCHES NOMINAL IN
APERTURE LENGTH3.380 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.640 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 527218?
527218 is a GASKET.
What is the NSN for 527218?
527218 is cataloged in the U.S. Government catalog under NSN 5330-00-542-1688. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.