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Technical Data Sheet
8432804 ✓ 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 SEAL RING,METAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, ring_style: EXPANDING CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.1240 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN, outside_diameter: 3.500 INCHES MINIMUM AND 3.502 INCHES MAXIMUM IN, radial_wall_thickness: 0.1250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-937-5687, 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
8432804
NSN: 5330-00-937-5687
FSC: 5330
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
ring_styleEXPANDING CONCENTRIC
joint_styleVERTICAL JOINT
overall_width0.1240 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
outside_diameter3.500 INCHES MINIMUM AND 3.502 INCHES MAXIMUM IN
radial_wall_thickness0.1250 INCHES NOMINAL IN
metallic_hardness_rating217.0 MINIMUM BRINELL HULTGREN AND 248.0 MAXIMUM BRINELL HULTGREN
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
criticality_code_justificationACXJ AND ABKV
NSN5330-00-937-5687
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8432804 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
METALLIC HARDNESS RATING: 217.0 MINIMUM BRINELL HULTGREN AND 248.0 MAXIMUM BRINELL HULTGREN
OUTSIDE DIAMETER: 3.500 INCHES MINIMUM AND 3.502 INCHES MAXIMUM IN
RING STYLE: EXPANDING CONCENTRIC
RADIAL WALL THICKNESS: 0.1250 INCHES NOMINAL IN
MATERIAL: COPPER ALLOY OVERALL
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
CRITICALITY CODE JUSTIFICATION: ACXJ AND ABKV
TECHNICAL CHARACTERISTICS (FLIS)
METALLIC HARDNESS RATING217.0 MINIMUM BRINELL HULTGREN AND 248.0 MAXIMUM BRINELL HULTGREN
OUTSIDE DIAMETER3.500 INCHES MINIMUM AND 3.502 INCHES MAXIMUM IN
OVERALL WIDTH0.1240 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
RING STYLEEXPANDING CONCENTRIC
RADIAL WALL THICKNESS0.1250 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
CRITICALITY CODE JUSTIFICATIONACXJ AND ABKV
JOINT STYLEVERTICAL JOINT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
MIL-T-21309 TY4CL1STBInterchangeable
interchangeable cross-reference
interchangeable
A-A-59158Interchangeable
interchangeable cross-reference
interchangeable
MIL-T-21309Interchangeable
interchangeable cross-reference
interchangeable
36955Interchangeable
interchangeable cross-reference
interchangeable
LLCZ21427Interchangeable
interchangeable cross-reference
interchangeable
28D195000PC15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8432804?
8432804 is a SEAL RING,METAL.
What parts can replace 8432804?
There are 8 known substitutes for 8432804: MIL-T-21309 TY4CL1STB, A-A-59158, MIL-T-21309 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8432804?
8432804 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-937-5687. This indicates validated use in U.S. government and defense supply chains.
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