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2BA663 ✓ 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 RETAINER,PACKING 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 5330-01-158-7847, 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
2BA663
NSN: 5330-01-158-7847
FSC: 5330
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
Part Number2BA663
NSN5330-01-158-7847
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2BA663 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 10
120S27Interchangeable
interchangeable cross-reference
interchangeable
AN4-5Interchangeable
interchangeable cross-reference
interchangeable
7403156Interchangeable
interchangeable cross-reference
interchangeable
AA7D3040Interchangeable
interchangeable cross-reference
interchangeable
400102Interchangeable
interchangeable cross-reference
interchangeable
14736-501Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2BA663?
2BA663 is a RETAINER,PACKING.
What parts can replace 2BA663?
There are 10 known substitutes for 2BA663: 120S27, AN4-5, 7403156 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2BA663?
2BA663 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-158-7847. 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