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Technical Data Sheet
78459 ✓ 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

The GASKET is a Legrand industrial component. Key specifications include hole_diameter: 0.880 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 11.000 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 6.250 INCHES NOMINAL IN, bolt_circle_diameter: 9.500 INCHES NOMINAL IN, cross-sectional_thickness: 0.060 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-302-9949, 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
78459
NSN: 5330-01-302-9949
FSC: 5330
CAGE: 96046 — CRANE PUMPS & SYSTEMS PFT CORP DIV CRANE PUMPS & SYSTEM PFT CORP. (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU OVERALL
hole_diameter0.880 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter11.000 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter6.250 INCHES NOMINAL IN
bolt_hole_quantity8
bolt_circle_diameter9.500 INCHES NOMINAL IN
cross-sectional_thickness0.060 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationASTM 2000,TYPE 2BG615EF21 ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5330-01-302-9949
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 78459 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
KEY FEATURES
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM 2000,TYPE 2BG615EF21 ASSN STD ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL THICKNESS: 0.060 INCHES NOMINAL IN
BOLT HOLE QUANTITY: 8
OUTSIDE DIAMETER: 11.000 INCHES NOMINAL IN
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU OVERALL
APERTURE DIAMETER: 6.250 INCHES NOMINAL IN
STYLE DESIGNATOR: CIRCULAR
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM 2000,TYPE 2BG615EF21 ASSN STD ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL THICKNESS0.060 INCHES NOMINAL IN
BOLT HOLE QUANTITY8
OUTSIDE DIAMETER11.000 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU OVERALL
APERTURE DIAMETER6.250 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
HOLE DIAMETER0.880 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
BOLT CIRCLE DIAMETER9.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
9X9X9SWDOM275Interchangeable
interchangeable cross-reference
interchangeable
07-8459Interchangeable
interchangeable cross-reference
interchangeable
8459Interchangeable
interchangeable cross-reference
interchangeable
845031A0011Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 78459?
78459 is a GASKET manufactured by Legrand.
What parts can replace 78459?
There are 4 known substitutes for 78459: 9X9X9SWDOM275, 07-8459, 8459 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 78459?
78459 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-302-9949. This indicates validated use in U.S. government and defense supply chains.
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