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Technical Data Sheet
PartsTable / COMPONENT / D406557-57
D406557-57 ✓ 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 5330-01-306-2727, 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
D406557-57
NSN: 5330-01-306-2727
FSC: 5330
CAGE: 99300 — HARDING-WATERCRAFT INC (USA)
SPECIFICATIONS
Part NumberD406557-57
NSN5330-01-306-2727
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D406557-57 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 18
23061Interchangeable
interchangeable cross-reference
interchangeable
8104KInterchangeable
interchangeable cross-reference
interchangeable
920197-1Interchangeable
interchangeable cross-reference
interchangeable
203429Interchangeable
interchangeable cross-reference
interchangeable
890TB0023Interchangeable
interchangeable cross-reference
interchangeable
YAE10NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D406557-57?
D406557-57 is a SEAL,PLAIN.
What parts can replace D406557-57?
There are 18 known substitutes for D406557-57: 23061, 8104K, 920197-1 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D406557-57?
D406557-57 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-306-2727. 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