PartsTable
Technical Data Sheet

LE155/79 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

LE155/79: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 19.0 MILLIMETERS NOMINAL LOCATION NOT OTHERWISE SPECIFIED MM, outside_diameter: 230.0 MILLIMETERS NOMINAL MM, style_designator: CIRCULAR, aperture_diameter: 151.0 MILLIMETERS NOMINAL MM, bolt_circle_diameter: 190.0 MILLIMETERS NOMINAL MM, cross-sectional_thickness: 5.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-314-8492, 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
LE155/79
NSN: 5330-01-314-8492
FSC: 5330 — Packing and Gasket Materials
CAGE: 1TH76 — ROLLS-ROYCE MARINE NORTH AMERICA INC (USA)
SPECIFICATIONS
hole_diameter19.0 MILLIMETERS NOMINAL LOCATION NOT OTHERWISE SPECIFIED MM
outside_diameter230.0 MILLIMETERS NOMINAL MM
style_designatorCIRCULAR
aperture_diameter151.0 MILLIMETERS NOMINAL MM
bolt_hole_quantity6
bolt_circle_diameter190.0 MILLIMETERS NOMINAL MM
cross-sectional_thickness5.0 MILLIMETERS NOMINAL MM
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-01-314-8492
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LE155/79 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: 5.0 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 230.0 MILLIMETERS NOMINAL MM
•
APERTURE DIAMETER: 151.0 MILLIMETERS NOMINAL MM
•
BOLT HOLE QUANTITY: 6
•
BOLT CIRCLE DIAMETER: 190.0 MILLIMETERS NOMINAL MM
•
HOLE DIAMETER: 19.0 MILLIMETERS NOMINAL LOCATION NOT OTHERWISE SPECIFIED MM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS5.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER230.0 MILLIMETERS NOMINAL MM
APERTURE DIAMETER151.0 MILLIMETERS NOMINAL MM
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER190.0 MILLIMETERS NOMINAL MM
HOLE DIAMETER19.0 MILLIMETERS NOMINAL LOCATION NOT OTHERWISE SPECIFIED MM
SUBSTITUTES & CROSS-REFERENCES 5
90766Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
L691/54 ITEM 30Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
BERB00090766Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
90776Reference document
Same NSN cross-reference
Reference document — Secondary reference
090766Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LE155/79?
LE155/79 is a GASKET.
What parts can replace LE155/79?
There are 5 known substitutes for LE155/79: 90766, L691/54 ITEM 30, BERB00090766 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LE155/79?
LE155/79 is cataloged in the U.S. Government catalog under NSN 5330-01-314-8492. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.