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12398.0002 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12398.0002: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, hole_diameter: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.500 INCHES NOMINAL IN, overall_length: 2.500 INCHES NOMINAL IN, hardness_rating: 45.0 SHORE DUROMETER A MINIMUM AND 58.0 SHORE DUROMETER A MAXIMUM OVERALL, style_designator: NON-CIRCULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-513-9644, 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
12398.0002
NSN: 5330-01-513-9644
FSC: 5330 — Packing and Gasket Materials
CAGE: 25628 — BUNN-O-MATIC CORPORATION DIV GOVERNMENT SALES (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
hole_diameter0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.500 INCHES NOMINAL IN
overall_length2.500 INCHES NOMINAL IN
hardness_rating45.0 SHORE DUROMETER A MINIMUM AND 58.0 SHORE DUROMETER A MAXIMUM OVERALL
style_designatorNON-CIRCULAR
aperture_diameter1.766 INCHES NOMINAL IN
bolt_hole_quantity4
outside_corner_radius0.380 INCHES NOMINAL IN
cross-sectional_thickness0.167 INCHES MINIMUM AND 0.207 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationASTM D2000 -3GE508A19B37C12EA14F19G11 OR -3GE507A18B37EA14F19G11 (12398)-2200 (TRANSLUCENT SILICONE) ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-513-9644
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12398.0002 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: 0.167 INCHES MINIMUM AND 0.207 INCHES MAXIMUM IN
•
HARDNESS RATING: 45.0 SHORE DUROMETER A MINIMUM AND 58.0 SHORE DUROMETER A MAXIMUM OVERALL
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 -3GE508A19B37C12EA14F19G11 OR -3GE507A18B37EA14F19G11 (12398)-2200 (TRANSLUCENT SILICONE) ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 1.766 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.167 INCHES MINIMUM AND 0.207 INCHES MAXIMUM IN
HARDNESS RATING45.0 SHORE DUROMETER A MINIMUM AND 58.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 -3GE508A19B37C12EA14F19G11 OR -3GE507A18B37EA14F19G11 (12398)-2200 (TRANSLUCENT SILICONE) ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH2.500 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH2.500 INCHES NOMINAL IN
APERTURE DIAMETER1.766 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.746 INCHES MINIMUM AND 1.786 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12398.0002?
12398.0002 is a GASKET.
What is the NSN for 12398.0002?
12398.0002 is cataloged in the U.S. Government catalog under NSN 5330-01-513-9644. 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.