PartsTable
Technical Data Sheet
PartsTable / O-RING / 4703-E ITEM 10
4703-E ITEM 10 ✓ 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 O-RING 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 5331-01-178-6212, 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
4703-E ITEM 10
NSN: 5331-01-178-6212
FSC: 5331 — O-RING
CAGE: 10055 — MARINE ELECTRONICS, LLC SALES (USA)
SPECIFICATIONS
Part Number4703-E ITEM 10
NSN5331-01-178-6212
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4703-E ITEM 10 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 4
AS3510-0112KInterchangeable
interchangeable cross-reference
interchangeable
SAE-AS4536Interchangeable
interchangeable cross-reference
interchangeable
K20B12Interchangeable
interchangeable cross-reference
interchangeable
CI-0112Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4703-E ITEM 10?
4703-E ITEM 10 is a O-RING.
What parts can replace 4703-E ITEM 10?
There are 4 known substitutes for 4703-E ITEM 10: AS3510-0112K, SAE-AS4536, K20B12 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4703-E ITEM 10?
4703-E ITEM 10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-178-6212. 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