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Technical Data Sheet
26140 ✓ Verified by PartsTable
Legrand · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

Premium quality is achieved by using appropriate thick cardboard, a special non-reflective layer, and puzzle pieces’ perfect fitting. Key specifications include material: STEEL BLADE, shank_shape: ROUND, blade_length: 60.0 MILLIMETERS NOMINAL MM, overall_length: 160.0 MILLIMETERS NOMINAL MM, shank_diameter: 4.0 MILLIMETERS NOMINAL MM, special_features: GOLD ALLOY CAST DENTAL PORCELAIN TO GOLD HARD; 2 PENNYWEIGHT; AU 51.5 PCT, PD 38.5 PCT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-070-9055, 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
26140
NSN: 5330-01-070-9055
FSC: 5330
CAGE: 37676 — ILLINOIS TOOL WORKS, INC. DIV MAGNAFLUX (USA)
SPECIFICATIONS
materialSTEEL BLADE
shank_shapeROUND
blade_length60.0 MILLIMETERS NOMINAL MM
overall_length160.0 MILLIMETERS NOMINAL MM
shank_diameter4.0 MILLIMETERS NOMINAL MM
special_featuresGOLD ALLOY CAST DENTAL PORCELAIN TO GOLD HARD; 2 PENNYWEIGHT; AU 51.5 PCT, PD 38.5 PCT
precious_materialGOLD AND PALLADIUM
hardness_designationHARD
precious_material_and_weight1.602 GOLD GRAMS AND 1.197 PALLADIUM GRAMS
chemical_composition_percentage51.5 GOLD, 38.5 PALLADIUM
part_name_assigned_by_controlling_agencyTYPE 4 LOW GOLD CERAMIC BONDING
NSN5330-01-070-9055
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 26140 MFR: Legrand ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
26140Interchangeable
interchangeable cross-reference
interchangeable
JP-1Interchangeable
interchangeable cross-reference
interchangeable
6520NCM116579Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26140?
26140 is a GOLD ALLOY,CASTING,DENTAL manufactured by Legrand.
What parts can replace 26140?
There are 3 known substitutes for 26140: 26140, JP-1, 6520NCM116579. Substitute compatibility should be verified for your specific system.
What is the NSN for 26140?
26140 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-070-9055. This indicates validated use in U.S. government and defense supply chains.
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