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Technical Data Sheet
A-218 ✓ 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 BEARING,ROLLER,CYLINDRICAL is a the manufacturer industrial component. Key specifications include length: 11.500 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING, bore_shape: STRAIGHT, face_width: 3.000 INCHES NOMINAL IN, temp_rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, bore_diameter: 90.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-086-2584, 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
A-218
NSN: 5331-00-086-2584
FSC: 5331 — O-RING
CAGE: 82271 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC CARTRIDGE SYSTEMS DIVISION (USA)
SPECIFICATIONS
length11.500 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING
bore_shapeSTRAIGHT
face_width3.000 INCHES NOMINAL IN
temp_rating-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
bore_diameter90.0 MILLIMETERS NOMINAL MM
overall_width30.0 MILLIMETERS NOMINAL MM
end_similarityIDENTICAL
overall_length8.000 FEET NOMINAL FT
surface_finishGROUND
first_end_stylePLAIN
hardness_rating70.0 SHORE DUROMETER A NOMINAL
NSN5331-00-086-2584
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-218 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
CROSS-SECTIONAL HEIGHT: 0.139 INCHES NOMINAL IN
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.139 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
MCS218XInterchangeable
interchangeable cross-reference
interchangeable
90RN02Interchangeable
interchangeable cross-reference
interchangeable
A218Interchangeable
interchangeable cross-reference
interchangeable
30123DInterchangeable
interchangeable cross-reference
interchangeable
07FC009NInterchangeable
interchangeable cross-reference
interchangeable
2-218N-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-218?
A-218 is a BEARING,ROLLER,CYLINDRICAL.
What parts can replace A-218?
There are 16 known substitutes for A-218: MCS218X, 90RN02, A218 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-218?
A-218 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-086-2584. This indicates validated use in U.S. government and defense supply chains.
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