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PartsTable / COMPONENT / H5531502A-6
H5531502A-6 ✓ 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: RUBBER SYNTHETIC OVERALL, hardness_rating: 50.0 SHORE DUROMETER A NOMINAL OVERALL, outside_diameter: 31.500 INCHES NOMINAL IN, special_features: SPECIAL SHAPED CROSS SECTION;0.875 WIDE;0.781 HIGH, style_designator: CIRCULAR, aperture_diameter: 29.750 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 5330-01-496-9804, 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
H5531502A-6
NSN: 5330-01-496-9804
FSC: 5330
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hardness_rating50.0 SHORE DUROMETER A NOMINAL OVERALL
outside_diameter31.500 INCHES NOMINAL IN
special_featuresSPECIAL SHAPED CROSS SECTION;0.875 WIDE;0.781 HIGH
style_designatorCIRCULAR
aperture_diameter29.750 INCHES NOMINAL IN
end_item_identificationSEA VALVE ASSY & DETAILS
cross-sectional_thickness0.781 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-R-15624 CL-III MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-496-9804
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H5531502A-6 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
•
STYLE DESIGNATOR: CIRCULAR
•
OUTSIDE DIAMETER: 31.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-15624 CL-III MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
APERTURE DIAMETER: 29.750 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
HARDNESS RATING: 50.0 SHORE DUROMETER A NOMINAL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER31.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONSEA VALVE ASSY & DETAILS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-15624 CL-III MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SPECIAL FEATURESSPECIAL SHAPED CROSS SECTION;0.875 WIDE;0.781 HIGH
APERTURE DIAMETER29.750 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
HARDNESS RATING50.0 SHORE DUROMETER A NOMINAL OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS0.781 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
8612484Interchangeable
interchangeable cross-reference
interchangeable
3016879Interchangeable
interchangeable cross-reference
interchangeable
3017117Interchangeable
interchangeable cross-reference
interchangeable
3017217Interchangeable
interchangeable cross-reference
interchangeable
176851 REV FInterchangeable
interchangeable cross-reference
interchangeable
3017112Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H5531502A-6?
H5531502A-6 is a GASKET.
What parts can replace H5531502A-6?
There are 19 known substitutes for H5531502A-6: 8612484, 3016879, 3017117 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H5531502A-6?
H5531502A-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-496-9804. 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