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1668649 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1668649: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, overall_width: 6.438 INCHES NOMINAL IN, aperture_width: 6.000 INCHES NOMINAL IN, overall_length: 2.688 INCHES NOMINAL IN, aperture_length: 2.188 INCHES NOMINAL IN, style_designator: NON-CIRCULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-072-1363, 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
1668649
NSN: 5330-00-072-1363
FSC: 5330 — Packing and Gasket Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
overall_width6.438 INCHES NOMINAL IN
aperture_width6.000 INCHES NOMINAL IN
overall_length2.688 INCHES NOMINAL IN
aperture_length2.188 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
inside_corner_radius0.219 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
outside_corner_bevel_length_along_width0.125 INCHES NOMINAL IN
outside_corner_bevel_length_along_length0.125 INCHES NOMINAL IN
NSN5330-00-072-1363
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1668649 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: 0.125 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.219 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 6.000 INCHES NOMINAL IN
•
OUTSIDE CORNER BEVEL LENGTH ALONG WIDTH: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.219 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
OVERALL LENGTH2.688 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH6.438 INCHES NOMINAL IN
APERTURE WIDTH6.000 INCHES NOMINAL IN
OUTSIDE CORNER BEVEL LENGTH ALONG WIDTH0.125 INCHES NOMINAL IN
APERTURE LENGTH2.188 INCHES NOMINAL IN
OUTSIDE CORNER BEVEL LENGTH ALONG LENGTH0.125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
766805Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1668649?
1668649 is a GASKET.
What parts can replace 1668649?
There is 1 known substitute for 1668649: 766805. Substitute compatibility should be verified for your specific system.
What is the NSN for 1668649?
1668649 is cataloged in the U.S. Government catalog under NSN 5330-00-072-1363. 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.