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Technical Data Sheet
8409727 ✓ 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 material: GLUE AND PAPER OVERALL, hole_diameter: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.062 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 1.250 INCHES NOMINAL IN, bolt_circle_diameter: 2.375 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-354-3138, 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
8409727
NSN: 5330-00-354-3138
FSC: 5330
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialGLUE AND PAPER OVERALL
hole_diameter0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.062 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter1.250 INCHES NOMINAL IN
bolt_hole_quantity2
bolt_circle_diameter2.375 INCHES NOMINAL IN
outside_corner_radius0.344 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
side_radius_from_gasket_center0.938 INCHES NOMINAL IN
material_document_and_classificationMIL-G-12803 F326128-6 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-354-3138
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8409727 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 SHAPE STYLE: SOLID SINGLE OR COMPOSITION
BOLT CIRCLE DIAMETER: 2.375 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
BOLT HOLE QUANTITY: 2
OUTSIDE CORNER RADIUS: 0.344 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER: 0.938 INCHES NOMINAL IN
APERTURE DIAMETER: 1.250 INCHES NOMINAL IN
HOLE DIAMETER: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
BOLT CIRCLE DIAMETER2.375 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
BOLT HOLE QUANTITY2
OUTSIDE CORNER RADIUS0.344 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER0.938 INCHES NOMINAL IN
APERTURE DIAMETER1.250 INCHES NOMINAL IN
HOLE DIAMETER0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803 F326128-6 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORNON-CIRCULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
A8743Interchangeable
interchangeable cross-reference
interchangeable
SMD422742Interchangeable
interchangeable cross-reference
interchangeable
7374Interchangeable
interchangeable cross-reference
interchangeable
GG-B101Interchangeable
interchangeable cross-reference
interchangeable
23-7374Interchangeable
interchangeable cross-reference
interchangeable
21X7374Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8409727?
8409727 is a GASKET.
What parts can replace 8409727?
There are 25 known substitutes for 8409727: A8743, SMD422742, 7374 and 22 more. Substitute compatibility should be verified for your specific system.
Is 8409727 still available?
8409727 is currently cancelled.
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