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Technical Data Sheet
PartsTable / COMPONENT / 12343-502 ITEM 8
12343-502 ITEM 8 ✓ 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,PLAIN is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-459-6978, 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
12343-502 ITEM 8
NSN: 5330-01-459-6978
FSC: 5330
CAGE: 72166 — B.W. ELLIOTT MANUFACTURING CO., LLC (USA)
SPECIFICATIONS
Part Number12343-502 ITEM 8
NSN5330-01-459-6978
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12343-502 ITEM 8 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
U4Interchangeable
interchangeable cross-reference
interchangeable
4-4192Interchangeable
interchangeable cross-reference
interchangeable
8632Interchangeable
interchangeable cross-reference
interchangeable
MS8632Interchangeable
interchangeable cross-reference
interchangeable
70C805-01Interchangeable
interchangeable cross-reference
interchangeable
01228Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12343-502 ITEM 8?
12343-502 ITEM 8 is a SEAL,PLAIN.
What parts can replace 12343-502 ITEM 8?
There are 17 known substitutes for 12343-502 ITEM 8: U4, 4-4192, 8632 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12343-502 ITEM 8?
12343-502 ITEM 8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-459-6978. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026