PartsTable
Technical Data Sheet

C300-249-46/109 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

C300-249-46/109: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.500 INCHES NOMINAL IN, aperture_width: 1.000 INCHES NOMINAL IN, overall_length: 7.750 INCHES NOMINAL IN, aperture_length: 6.400 INCHES NOMINAL IN, special_features: APERATURE CURVED TO A RADIUS OF 8.312 IN. IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-01-353-7292, 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
C300-249-46/109
NSN: 5330-01-353-7292
FSC: 5330 — Packing and Gasket Materials
CAGE: 33714 — ENVIRONMENTAL TECTONICS CORP (USA)
SPECIFICATIONS
hole_diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.500 INCHES NOMINAL IN
aperture_width1.000 INCHES NOMINAL IN
overall_length7.750 INCHES NOMINAL IN
aperture_length6.400 INCHES NOMINAL IN
special_featuresAPERATURE CURVED TO A RADIUS OF 8.312 IN. IN
style_designatorNON-CIRCULAR
bolt_hole_quantity8
fabrication_methodSOLID
inside_corner_radius0.500 INCHES NOMINAL IN
end_item_identification6530-00-926-2151
cross-sectional_thickness0.094 INCHES NOMINAL IN
NSN5330-01-353-7292
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C300-249-46/109 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: 0.094 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
•
OUTSIDE EDGE TO INSIDE EDGE SMALLEST DISTANCE ALONG WIDTH: 0.688 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.094 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
OUTSIDE EDGE TO INSIDE EDGE SMALLEST DISTANCE ALONG WIDTH0.688 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
OVERALL LENGTH7.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH2.500 INCHES NOMINAL IN
APERTURE WIDTH1.000 INCHES NOMINAL IN
APERTURE LENGTH6.400 INCHES NOMINAL IN
BOLT HOLE QUANTITY8
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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C300-249-46/109?
C300-249-46/109 is a GASKET.
What is the NSN for C300-249-46/109?
C300-249-46/109 is cataloged in the U.S. Government catalog under NSN 5330-01-353-7292. 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.