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N11349 ✓ 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: COPPER ALLOY OVERALL, hole_diameter: 0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 6.312 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 3.281 INCHES NOMINAL IN, bolt_circle_diameter: 4.875 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 5330-00-297-6773, 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
N11349
NSN: 5330-00-297-6773
FSC: 5330
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter6.312 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter3.281 INCHES NOMINAL IN
bolt_hole_quantity8
bolt_circle_diameter4.875 INCHES NOMINAL IN
cross-sectional_thickness0.025 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR METAL
material_document_and_classificationQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-297-6773
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N11349 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
•
HOLE DIAMETER: 0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
BOLT CIRCLE DIAMETER: 4.875 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
APERTURE DIAMETER: 3.281 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
BOLT HOLE QUANTITY: 8
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL THICKNESS: 0.025 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
BOLT CIRCLE DIAMETER4.875 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
APERTURE DIAMETER3.281 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
BOLT HOLE QUANTITY8
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL THICKNESS0.025 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
OUTSIDE DIAMETER6.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
RNG2Interchangeable
interchangeable cross-reference
interchangeable
1-1349Interchangeable
interchangeable cross-reference
interchangeable
14752NInterchangeable
interchangeable cross-reference
interchangeable
671236Interchangeable
interchangeable cross-reference
interchangeable
MILF36782Interchangeable
interchangeable cross-reference
interchangeable
73069-18Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N11349?
N11349 is a GASKET.
What parts can replace N11349?
There are 10 known substitutes for N11349: RNG2, 1-1349, 14752N and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N11349?
N11349 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-297-6773. 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