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2664438 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2664438: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC AND CORK OVERALL, hole_diameter: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, hardness_rating: 55.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 8.250 INCHES MINIMUM AND 8.281 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 6.422 INCHES MINIMUM AND 6.437 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-604-5650, 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
2664438
NSN: 5330-00-604-5650
FSC: 5330 — Packing and Gasket Materials
CAGE: 88277 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC AND CORK OVERALL
hole_diameter0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter8.250 INCHES MINIMUM AND 8.281 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter6.422 INCHES MINIMUM AND 6.437 INCHES MAXIMUM IN
bolt_hole_quantity16
bolt_circle_diameter7.245 INCHES MINIMUM AND 7.255 INCHES MAXIMUM IN
fsc_application_dataWING ASSY,AIRCRAFT
cross-sectional_thickness0.094 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-C-6183,TY 1,CL 1,GR B MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-604-5650
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2664438 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
•
FSC APPLICATION DATA: WING ASSY,AIRCRAFT
•
CROSS-SECTIONAL THICKNESS: 0.094 INCHES NOMINAL IN
•
HARDNESS RATING: 55.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-6183,TY 1,CL 1,GR B MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 8.250 INCHES MINIMUM AND 8.281 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 6.422 INCHES MINIMUM AND 6.437 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAWING ASSY,AIRCRAFT
CROSS-SECTIONAL THICKNESS0.094 INCHES NOMINAL IN
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-6183,TY 1,CL 1,GR B MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER8.250 INCHES MINIMUM AND 8.281 INCHES MAXIMUM IN
APERTURE DIAMETER6.422 INCHES MINIMUM AND 6.437 INCHES MAXIMUM IN
BOLT HOLE QUANTITY16
BOLT CIRCLE DIAMETER7.245 INCHES MINIMUM AND 7.255 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
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 2664438?
2664438 is a GASKET.
What is the NSN for 2664438?
2664438 is cataloged in the U.S. Government catalog under NSN 5330-00-604-5650. 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.