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CA5306 ✓ 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 material: ALUMINUM ALLOY 6061 AND RUBBER FLUOROSILICONE CLASS FQ OVERALL, hole_diameter: 0.332 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.874 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 2.437 INCHES NOMINAL IN, surface_treatment: ANODIZE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-930-4843, 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
CA5306
NSN: 5330-00-930-4843
FSC: 5330
CAGE: 95272 — STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 AND RUBBER FLUOROSILICONE CLASS FQ OVERALL
hole_diameter0.332 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.874 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter2.437 INCHES NOMINAL IN
surface_treatmentANODIZE OVERALL
bolt_hole_quantity4
gage_ring_thickness0.090 INCHES NOMINAL IN
bolt_circle_diameter3.205 INCHES NOMINAL IN
elongation_percentage125 MAXIMUM
outside_corner_radius0.437 INCHES NOMINAL IN
end_item_identificationAIRCRAFT,F111
NSN5330-00-930-4843
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CA5306 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
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
BOLT CIRCLE DIAMETER: 3.205 INCHES NOMINAL IN
•
SIDE RADIUS FROM GASKET CENTER: 1.500 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.437 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL: ALUMINUM ALLOY 6061 AND RUBBER FLUOROSILICONE CLASS FQ OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
ELONGATION PERCENTAGE125 MAXIMUM
BOLT CIRCLE DIAMETER3.205 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER1.500 INCHES NOMINAL IN
APERTURE DIAMETER2.437 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIALALUMINUM ALLOY 6061 AND RUBBER FLUOROSILICONE CLASS FQ OVERALL
END ITEM IDENTIFICATIONAIRCRAFT,F111
OVERALL WIDTH3.874 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OUTSIDE CORNER RADIUS0.437 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
402791Interchangeable
interchangeable cross-reference
interchangeable
002-99955Interchangeable
interchangeable cross-reference
interchangeable
12S-500 OHMInterchangeable
interchangeable cross-reference
interchangeable
C3638Interchangeable
interchangeable cross-reference
interchangeable
MS28775-229ESInterchangeable
interchangeable cross-reference
interchangeable
230079119Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CA5306?
CA5306 is a GASKET.
What parts can replace CA5306?
There are 9 known substitutes for CA5306: 402791, 002-99955, 12S-500 OHM and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CA5306?
CA5306 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-930-4843. 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