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Technical Data Sheet
655326 ✓ 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. Key specifications include case_style: SQUARE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-179-0343, 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
655326
NSN: 5330-01-179-0343
FSC: 5330
CAGE: 82577 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
case_styleSQUARE
NSN5330-01-179-0343
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 655326 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
KEY FEATURES
CASE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
5901-162784Interchangeable
interchangeable cross-reference
interchangeable
CH1403-84Interchangeable
interchangeable cross-reference
interchangeable
5945000720692Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 655326?
655326 is a SEAL,PLAIN ENCASED.
What parts can replace 655326?
There are 3 known substitutes for 655326: 5901-162784, CH1403-84, 5945000720692. Substitute compatibility should be verified for your specific system.
What is the NSN for 655326?
655326 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-179-0343. This indicates validated use in U.S. government and defense supply chains.
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