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PartsTable / COMPONENT / LE623/84
LE623/84 ✓ 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 LE623/84 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 5330-01-315-3573, 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
LE623/84
NSN: 5330-01-315-3573
FSC: 5330
CAGE: 0JKF4 — ULSTEIN USA INC (USA)
SPECIFICATIONS
Part NumberLE623/84
NSN5330-01-315-3573
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LE623/84 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: 2.0 MILLIMETERS NOMINAL MM
•
BOLT HOLE QUANTITY: 8
•
HOLE DIAMETER: 12.0 MILLIMETERS NOMINAL LOCATION NOT OTHERWISE SPECIFIED MM
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS2.0 MILLIMETERS NOMINAL MM
BOLT HOLE QUANTITY8
HOLE DIAMETER12.0 MILLIMETERS NOMINAL LOCATION NOT OTHERWISE SPECIFIED MM
OVERALL WIDTH251.0 MILLIMETERS NOMINAL MM
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL LENGTH400.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
50900Interchangeable
interchangeable cross-reference
interchangeable
8388287Interchangeable
interchangeable cross-reference
interchangeable
SC-B-69506Interchangeable
interchangeable cross-reference
interchangeable
37-002Interchangeable
interchangeable cross-reference
interchangeable
639547-090Interchangeable
interchangeable cross-reference
interchangeable
2025937-0701Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LE623/84?
LE623/84 is a LE623/84.
What parts can replace LE623/84?
There are 12 known substitutes for LE623/84: 50900, 8388287, SC-B-69506 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LE623/84?
LE623/84 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-315-3573. 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