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PartsTable / COMPONENT / H3326311
H3326311 ✓ 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: ASBESTOS AND RUBBER AND COPPER ALLOY OVERALL, hole_diameter: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 5.594 INCHES NOMINAL IN, lubrication_method: COATED, bolt_circle_diameter: 4.562 INCHES NOMINAL IN, cross-sectional_thickness: 0.047 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-391-8372, 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
H3326311
NSN: 5330-00-391-8372
FSC: 5330
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialASBESTOS AND RUBBER AND COPPER ALLOY OVERALL
hole_diameter0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter5.594 INCHES NOMINAL IN
lubrication_methodCOATED
bolt_circle_diameter4.562 INCHES NOMINAL IN
cross-sectional_thickness0.047 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-A-17472 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-A-17472 MIL SPEC 2ND MATERIAL RESPONSE AND QQ-C-576 FED SPEC 3RD MATERIAL RESPONSE OVERALL
NSN5330-00-391-8372
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H3326311 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
•
OUTSIDE DIAMETER: 5.594 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS AND RUBBER AND COPPER ALLOY OVERALL
•
BOLT CIRCLE DIAMETER: 4.562 INCHES NOMINAL IN
•
LUBRICATION METHOD: COATED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-17472 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-A-17472 MIL SPEC 2ND MATERIAL RESPONSE AND QQ-C-576 FED SPEC 3RD MATERIAL RESPONSE OVERALL
•
HOLE DIAMETER: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CROSS-SECTIONAL THICKNESS: 0.047 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER5.594 INCHES NOMINAL IN
MATERIALASBESTOS AND RUBBER AND COPPER ALLOY OVERALL
BOLT CIRCLE DIAMETER4.562 INCHES NOMINAL IN
LUBRICATION METHODCOATED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-17472 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-A-17472 MIL SPEC 2ND MATERIAL RESPONSE AND QQ-C-576 FED SPEC 3RD MATERIAL RESPONSE OVERALL
HOLE DIAMETER0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL THICKNESS0.047 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
13616Interchangeable
interchangeable cross-reference
interchangeable
846811Interchangeable
interchangeable cross-reference
interchangeable
84681Interchangeable
interchangeable cross-reference
interchangeable
84798Interchangeable
interchangeable cross-reference
interchangeable
650482Interchangeable
interchangeable cross-reference
interchangeable
53-722Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H3326311?
H3326311 is a GASKET.
What parts can replace H3326311?
There are 16 known substitutes for H3326311: 13616, 846811, 84681 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H3326311?
H3326311 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-391-8372. 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