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496240-28 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

496240-28: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, overall_width: 2.750 INCHES NOMINAL IN, aperture_width: 2.500 INCHES NOMINAL IN, overall_length: 3.750 INCHES NOMINAL IN, aperture_length: 3.500 INCHES NOMINAL IN, hardness_rating: 60.0 SHORE DUROMETER A NOMINAL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-470-7969, 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
496240-28
NSN: 5330-00-470-7969
FSC: 5330 — Packing and Gasket Materials
CAGE: 13074 — MULTI-FLEX SEALS INC (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
overall_width2.750 INCHES NOMINAL IN
aperture_width2.500 INCHES NOMINAL IN
overall_length3.750 INCHES NOMINAL IN
aperture_length3.500 INCHES NOMINAL IN
hardness_rating60.0 SHORE DUROMETER A NOMINAL OVERALL
style_designatorNON-CIRCULAR
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-470-7969
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 496240-28 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
•
HARDNESS RATING: 60.0 SHORE DUROMETER A NOMINAL OVERALL
•
STYLE DESIGNATOR: NON-CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 2.500 INCHES NOMINAL IN
•
APERTURE LENGTH: 3.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
HARDNESS RATING60.0 SHORE DUROMETER A NOMINAL OVERALL
STYLE DESIGNATORNON-CIRCULAR
OVERALL LENGTH3.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH2.750 INCHES NOMINAL IN
APERTURE WIDTH2.500 INCHES NOMINAL IN
APERTURE LENGTH3.500 INCHES NOMINAL IN
MATERIALRUBBER SILICONE CLASS Q OVERALL
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 1
32-29911A93Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 496240-28?
496240-28 is a GASKET.
What parts can replace 496240-28?
There is 1 known substitute for 496240-28: 32-29911A93. Substitute compatibility should be verified for your specific system.
What is the NSN for 496240-28?
496240-28 is cataloged in the U.S. Government catalog under NSN 5330-00-470-7969. 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.