PartsTable
Technical Data Sheet
RAR3021 ✓ 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 GASKET SET 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 5330-01-393-0575, 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
RAR3021
NSN: 5330-01-393-0575
FSC: 5330
CAGE: F3015 — NAVAL GROUP SITE DE LORIENT (FRA)
SPECIFICATIONS
Part NumberRAR3021
NSN5330-01-393-0575
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RAR3021 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 11
1105360Interchangeable
interchangeable cross-reference
interchangeable
20039Interchangeable
interchangeable cross-reference
interchangeable
1100140KInterchangeable
interchangeable cross-reference
interchangeable
32139Interchangeable
interchangeable cross-reference
interchangeable
N81-04-2Interchangeable
interchangeable cross-reference
interchangeable
58A79A20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RAR3021?
RAR3021 is a GASKET SET.
What parts can replace RAR3021?
There are 11 known substitutes for RAR3021: 1105360, 20039, 1100140K and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RAR3021?
RAR3021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-393-0575. This indicates validated use in U.S. government and defense supply chains.
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