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Technical Data Sheet
436439-C1 ✓ 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: RUBBER OVERALL, overall_height: 1.312 INCHES NOMINAL IN, overall_length: 4.125 INCHES NOMINAL IN, cross-sectional_thickness: 0.062 INCHES NOMINAL IN, largest_bolt_hole_diameter: 0.578 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-208-7580, 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
436439-C1
NSN: 5330-01-208-7580
FSC: 5330
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
materialRUBBER OVERALL
overall_height1.312 INCHES NOMINAL IN
overall_length4.125 INCHES NOMINAL IN
bolt_hole_quantity4
cross-sectional_thickness0.062 INCHES NOMINAL IN
largest_bolt_hole_diameter0.578 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
smallest_bolt_hole_diameter0.219 INCHES NOMINAL IN
NSN5330-01-208-7580
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 436439-C1 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
MATERIAL: RUBBER OVERALL
SMALLEST BOLT HOLE DIAMETER: 0.219 INCHES NOMINAL IN
LARGEST BOLT HOLE DIAMETER: 0.578 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
BOLT HOLE QUANTITY: 4
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT1.312 INCHES NOMINAL IN
MATERIALRUBBER OVERALL
SMALLEST BOLT HOLE DIAMETER0.219 INCHES NOMINAL IN
LARGEST BOLT HOLE DIAMETER0.578 INCHES NOMINAL IN
OVERALL LENGTH4.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
BOLT HOLE QUANTITY4
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
AM-13Interchangeable
interchangeable cross-reference
interchangeable
MILC11893TYPE2Interchangeable
interchangeable cross-reference
interchangeable
WWC633TYPE2Interchangeable
interchangeable cross-reference
interchangeable
86246Interchangeable
Same NIIN cross-reference
interchangeable
J86246Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 436439-C1?
436439-C1 is a GASKET.
What parts can replace 436439-C1?
There are 5 known substitutes for 436439-C1: AM-13, MILC11893TYPE2, WWC633TYPE2 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 436439-C1?
436439-C1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-208-7580. This indicates validated use in U.S. government and defense supply chains.
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