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PartsTable / COMPONENT / LE580/25 ITEM 4
LE580/25 ITEM 4 ✓ 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 LE580/25 ITEM 4 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-316-2938, 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
LE580/25 ITEM 4
NSN: 5330-01-316-2938
FSC: 5330
CAGE: 0JKF4 — ULSTEIN USA INC (USA)
SPECIFICATIONS
Part NumberLE580/25 ITEM 4
NSN5330-01-316-2938
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LE580/25 ITEM 4 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
•
MATERIAL: COPPER OVERALL
•
CROSS-SECTIONAL THICKNESS: 2.0 MILLIMETERS NOMINAL MM
•
OUTSIDE DIAMETER: 26.0 MILLIMETERS NOMINAL MM
•
APERTURE DIAMETER: 19.5 MILLIMETERS NOMINAL MM
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR METAL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCIRCULAR
MATERIALCOPPER OVERALL
CROSS-SECTIONAL THICKNESS2.0 MILLIMETERS NOMINAL MM
OUTSIDE DIAMETER26.0 MILLIMETERS NOMINAL MM
APERTURE DIAMETER19.5 MILLIMETERS NOMINAL MM
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
68137Interchangeable
interchangeable cross-reference
interchangeable
108114GP1Interchangeable
interchangeable cross-reference
interchangeable
117676-000Interchangeable
interchangeable cross-reference
interchangeable
MH291Interchangeable
interchangeable cross-reference
interchangeable
CH370Interchangeable
interchangeable cross-reference
interchangeable
385717C1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LE580/25 ITEM 4?
LE580/25 ITEM 4 is a LE580/25 ITEM 4.
What parts can replace LE580/25 ITEM 4?
There are 15 known substitutes for LE580/25 ITEM 4: 68137, 108114GP1, 117676-000 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LE580/25 ITEM 4?
LE580/25 ITEM 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-316-2938. 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