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Technical Data Sheet
40662-A ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 8.625 INCHES NOMINAL IN, overall_length: 9.750 INCHES NOMINAL IN, cross-sectional_thickness: 0.004 INCHES MINIMUM AND 0.006 INCHES MAXIMUM IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION, material_document_and_classification: MIL-G-12803,NO. +3200-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-361-2955, 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
40662-A
NSN: 5330-00-361-2955
FSC: 5330
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
hole_diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width8.625 INCHES NOMINAL IN
overall_length9.750 INCHES NOMINAL IN
cross-sectional_thickness0.004 INCHES MINIMUM AND 0.006 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803,NO. +3200-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-361-2955
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40662-A 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: 0.004 INCHES MINIMUM AND 0.006 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,NO. +3200-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH8.625 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.004 INCHES MINIMUM AND 0.006 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,NO. +3200-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OVERALL LENGTH9.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
103376Interchangeable
interchangeable cross-reference
interchangeable
110891Interchangeable
interchangeable cross-reference
interchangeable
5084Interchangeable
interchangeable cross-reference
interchangeable
934395Interchangeable
interchangeable cross-reference
interchangeable
R6XR1C0Interchangeable
interchangeable cross-reference
interchangeable
R6X1WInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40662-A?
40662-A is a GASKET.
What parts can replace 40662-A?
There are 21 known substitutes for 40662-A: 103376, 110891, 5084 and 18 more. Substitute compatibility should be verified for your specific system.
Is 40662-A still available?
40662-A is currently cancelled.
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