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Technical Data Sheet

11398-72 — Technical Data Sheet

✓ 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 under NSN 5330-00-932-0926, 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
11398-72
NSN: 5330-00-932-0926
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
NSN5330-00-932-0926
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11398-72 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 THICKNESS: 0.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 3.750 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS OVERALL
•
APERTURE DIAMETER: 3.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER3.750 INCHES NOMINAL IN
MATERIALASBESTOS OVERALL
APERTURE DIAMETER3.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
11398InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
GGG-D-751 TYCSZ39InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
150 39InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1551InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
420-53-4210InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
42839InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11398-72?
11398-72 is a GASKET.
What parts can replace 11398-72?
There are 12 known substitutes for 11398-72: 11398, GGG-D-751 TYCSZ39, 150 39 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11398-72?
11398-72 is cataloged in the Federal Logistics Information System under NSN 5330-00-932-0926. This indicates validated use in U.S. government and defense supply chains.
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