PartsTable
Technical Data Sheet
RA77611 ✓ 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 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 5330-01-075-0917, 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
RA77611
NSN: 5330-01-075-0917
FSC: 5330
CAGE: 6TB33 — RAPCO, INC. (USA)
SPECIFICATIONS
Part NumberRA77611
NSN5330-01-075-0917
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RA77611 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
311FFInterchangeable
interchangeable cross-reference
interchangeable
46AX280Interchangeable
interchangeable cross-reference
interchangeable
217249-2Interchangeable
interchangeable cross-reference
interchangeable
77611Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RA77611?
RA77611 is a GASKET.
What parts can replace RA77611?
There are 4 known substitutes for RA77611: 311FF, 46AX280, 217249-2 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RA77611?
RA77611 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-075-0917. This indicates validated use in U.S. government and defense supply chains.
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