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PartsTable / COMPONENT / 311398-75 NON-ASBESTOS
311398-75 NON-ASBESTOS ✓ 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 outside_diameter: 3.750 INCHES NOMINAL IN, special_features: CONTAINS NON-ASBESTOS MATERIAL, style_designator: CIRCULAR, aperture_diameter: 3.375 INCHES NOMINAL IN, cross-sectional_thickness: 0.062 INCHES NOMINAL IN, environmental_attribute_code: ASBESTOS ALTERNATIVE PRODUCTS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-391-4405, 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
311398-75 NON-ASBESTOS
NSN: 5330-01-391-4405
FSC: 5330
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
outside_diameter3.750 INCHES NOMINAL IN
special_featuresCONTAINS NON-ASBESTOS MATERIAL
style_designatorCIRCULAR
aperture_diameter3.375 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
environmental_attribute_codeASBESTOS ALTERNATIVE PRODUCTS
NSN5330-01-391-4405
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 311398-75 NON-ASBESTOS 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
•
OUTSIDE DIAMETER: 3.750 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
ENVIRONMENTAL ATTRIBUTE CODE: ASBESTOS ALTERNATIVE PRODUCTS
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER3.750 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
SPECIAL FEATURESCONTAINS NON-ASBESTOS MATERIAL
APERTURE DIAMETER3.375 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
ENVIRONMENTAL ATTRIBUTE CODEASBESTOS ALTERNATIVE PRODUCTS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
200A2INPC43Interchangeable
interchangeable cross-reference
interchangeable
11398-72Interchangeable
interchangeable cross-reference
interchangeable
11398Interchangeable
interchangeable cross-reference
interchangeable
11398-72 NON-ASBESTOSInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 311398-75 NON-ASBESTOS?
311398-75 NON-ASBESTOS is a GASKET.
What parts can replace 311398-75 NON-ASBESTOS?
There are 4 known substitutes for 311398-75 NON-ASBESTOS: 200A2INPC43, 11398-72, 11398 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 311398-75 NON-ASBESTOS?
311398-75 NON-ASBESTOS is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-391-4405. 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