PartsTable
Technical Data Sheet
363-S-120 ✓ 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 5330-01-284-6392, 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
363-S-120
NSN: 5330-01-284-6392
FSC: 5330
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
Part Number363-S-120
NSN5330-01-284-6392
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 363-S-120 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 4
RB334Interchangeable
interchangeable cross-reference
interchangeable
612Interchangeable
interchangeable cross-reference
interchangeable
1172Interchangeable
interchangeable cross-reference
interchangeable
363-SInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 363-S-120?
363-S-120 is a RETAINER,PACKING.
What parts can replace 363-S-120?
There are 4 known substitutes for 363-S-120: RB334, 612, 1172 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 363-S-120?
363-S-120 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-284-6392. This indicates validated use in U.S. government and defense supply chains.
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