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KC8432 — SEAL,NONMETALLIC SPECIAL SHAPED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

KC8432: SEAL,NONMETALLIC SPECIAL SHAPED.

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: RUBBER POLYISOPRENE NATURAL CLASS NR OVERALL, construction: SOLID, aperture_width: 18.000 INCHES NOMINAL IN, overall_length: 28.875 INCHES NOMINAL IN, aperture_length: 27.438 INCHES NOMINAL IN, style_designator: NON-CIRCULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-737-3325, 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
KC8432
NSN: 5330-00-737-3325
FSC: 5330 — Packing and Gasket Materials
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialRUBBER POLYISOPRENE NATURAL CLASS NR OVERALL
constructionSOLID
aperture_width18.000 INCHES NOMINAL IN
overall_length28.875 INCHES NOMINAL IN
aperture_length27.438 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
fabrication_methodSOLID
inside_corner_radius0.156 INCHES NOMINAL IN
cross-sectional_width0.719 INCHES NOMINAL IN
outside_corner_radius0.031 INCHES NOMINAL IN
cross-sectional_height0.312 INCHES NOMINAL IN
cross-sectional_thickness0.250 INCHES NOMINAL IN
NSN5330-00-737-3325
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: KC8432 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: 0.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.312 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.156 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.719 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 4AB515 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: CHISEL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.250 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.312 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.156 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.719 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 4AB515 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH28.875 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLECHISEL
APERTURE WIDTH18.000 INCHES NOMINAL IN
APERTURE LENGTH27.438 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 4
734E10Reference document
Same NSN cross-reference
Reference document — Secondary reference
955684Reference document
Same NSN cross-reference
Reference document — Secondary reference
R754Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330007373325Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is KC8432?
KC8432 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace KC8432?
There are 4 known substitutes for KC8432: 734E10, 955684, R754 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KC8432?
KC8432 is cataloged in the U.S. Government catalog under NSN 5330-00-737-3325. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.