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TC8304 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, cross-sectional_thickness: 0.062 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-382-1688, 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
TC8304
NSN: 5330-00-382-1688
FSC: 5330
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
hole_diameter0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-382-1688
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: TC8304 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 SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
HOLE DIAMETER: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
HOLE DIAMETER0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
9-27719Interchangeable
interchangeable cross-reference
interchangeable
NFES 3007Interchangeable
interchangeable cross-reference
interchangeable
CY-5559Interchangeable
interchangeable cross-reference
interchangeable
883737Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TC8304?
TC8304 is a GASKET.
What parts can replace TC8304?
There are 4 known substitutes for TC8304: 9-27719, NFES 3007, CY-5559 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TC8304?
TC8304 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-382-1688. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026