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Technical Data Sheet
42820-E ✓ 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 ENCASED 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 5330-01-019-8831, 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
42820-E
NSN: 5330-01-019-8831
FSC: 5330
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
Part Number42820-E
NSN5330-01-019-8831
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 42820-E 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 9
WA84-110LInterchangeable
interchangeable cross-reference
interchangeable
415899SSRInterchangeable
interchangeable cross-reference
interchangeable
851623Interchangeable
interchangeable cross-reference
interchangeable
059-7Interchangeable
interchangeable cross-reference
interchangeable
P9618526-1Interchangeable
interchangeable cross-reference
interchangeable
07-02407-0AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 42820-E?
42820-E is a SEAL,PLAIN ENCASED.
What parts can replace 42820-E?
There are 9 known substitutes for 42820-E: WA84-110L, 415899SSR, 851623 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 42820-E?
42820-E is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-019-8831. This indicates validated use in U.S. government and defense supply chains.
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