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Technical Data Sheet
PartsTable / COMPONENT / R6426930-20
R6426930-20 ✓ 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 5330-01-720-1049, 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
R6426930-20
NSN: 5330-01-720-1049
FSC: 5330
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
Part NumberR6426930-20
NSN5330-01-720-1049
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: R6426930-20 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 19
5330PL1611080Interchangeable
interchangeable cross-reference
interchangeable
5330001715051Interchangeable
interchangeable cross-reference
interchangeable
MS28783-8Interchangeable
interchangeable cross-reference
interchangeable
LSA001609-31Interchangeable
interchangeable cross-reference
interchangeable
56-10-3847Interchangeable
interchangeable cross-reference
interchangeable
8838741/PAGE 21 PN 31Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R6426930-20?
R6426930-20 is a RETAINER,PACKING.
What parts can replace R6426930-20?
There are 19 known substitutes for R6426930-20: 5330PL1611080, 5330001715051, MS28783-8 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R6426930-20?
R6426930-20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-720-1049. 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