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41-0643 — GASKET

✓ Government record, cited
Legrand · ORING SEAL
PRODUCT OVERVIEW

41-0643: GASKET.

Conform to IEC 61009-1, IEC 62423 (F type) Voltage independent tripping except Cat.Nos 4 106 57/58/59 AC type : detect AC components faults F type (High immunity) : detect faults with AC and DC components, increased immunity to false tripping Detection of high frequency fault currents For mounting on the right-hand side of 1.5 module per pole DX³ MCBs This part is cataloged in the U.S. Government catalog under NSN 5330-00-911-9639, 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
41-0643
NSN: 5330-00-911-9639
NIINs: 009119639, 013899454
FSC: 5330 — Packing and Gasket Materials
CAGE: 64484 — SARGENT-WELCH SCIENTIFIC CO (USA)
SPECIFICATIONS
hole_diameter0.203 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN
special_featuresMADE FROM NON-ASBESTOS MATERIAL
style_designatorCIRCULAR
aperture_diameter1.125 INCHES NOMINAL IN
bolt_hole_quantity3
bolt_circle_diameter1.594 INCHES NOMINAL IN
environmental_attribute_codeASBESTOS ALTERNATIVE PRODUCTS
NSN5330-00-911-9639
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 41-0643 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
•
CROSS-SECTIONAL THICKNESS: 0.013 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: 888 FSCM 71724 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 1.125 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 3
•
BOLT CIRCLE DIAMETER: 1.594 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.013 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATION888 FSCM 71724 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN
APERTURE DIAMETER1.125 INCHES NOMINAL IN
BOLT HOLE QUANTITY3
BOLT CIRCLE DIAMETER1.594 INCHES NOMINAL IN
MATERIALASBESTOS OVERALL
HOLE DIAMETER0.203 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 41-0643?
41-0643 is a GASKET manufactured by Legrand.
What is the NSN for 41-0643?
41-0643 is cataloged in the U.S. Government catalog under NSN 5330-00-911-9639. This indicates validated use in U.S. government and defense supply chains.
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